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mathkeyboardengine

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Comparing version 1.1.0-alpha.3 to 1.1.0-alpha.4

55

dist/MathKeyboardEngine.d.ts
export declare function getEditModeLatex(k: KeyboardMemory, latexConfiguration: LatexConfiguration): string;
export declare function firstBeforeOrNull<T>(array: T[], element: T): T | null;
export declare function firstAfterOrNull<T>(array: T[], element: T): T | null;

@@ -7,26 +9,24 @@

export declare function firstBeforeOrNull<T>(array: T[], element: T): T | null;
export declare function lastOrNull<T>(array: T[]): T | null;
export declare function last<T>(array: T[]): T;
export declare function lastOrNull<T>(array: T[]): T | null;
export declare function concatLatex(...latexArray: string[]): string;
export declare function deleteRight(k: KeyboardMemory): void;
export declare function remove<T>(array: T[], element: T): void;
export declare function endsWithLatexCommand(latex: string): boolean;
export declare function isLetter(c: string): boolean;
export declare function concatLatex(...latexArray: string[]): string;
export declare function deleteLeft(k: KeyboardMemory): void;
export declare function remove<T>(array: T[], element: T): void;
export declare function deleteRight(k: KeyboardMemory): void;
export declare function deleteLeft(k: KeyboardMemory): void;
export declare function endsWithLatexCommand(latex: string): boolean;
export declare function deleteSelection(k: KeyboardMemory): void;
export declare function deleteOuterBranchingNodeButNotItsContents(nonEmptyPlaceholder: Placeholder): void;
export declare function encapsulate(nodes: TreeNode[], encapsulatingPlaceholder: Placeholder): void;
export declare function deleteOuterBranchingNodeButNotItsContents(nonEmptyPlaceholder: Placeholder): void;
export declare function encapsulateAllPartsOfNumberWithDigitsLeftOfIndex(exclusiveRightIndex: number, siblingNodes: TreeNode[], toPlaceholder: Placeholder): void;

@@ -46,8 +46,10 @@

export declare function insertWithEncapsulateSelectionAndPrevious(k: KeyboardMemory, newNode: BranchingNode): void;
export declare function moveDown(k: KeyboardMemory): void;
export declare function moveUp(k: KeyboardMemory): void;
export declare function moveRight(k: KeyboardMemory): void;
export declare function moveUp(k: KeyboardMemory): void;
export declare function enterSelectionMode(k: KeyboardMemory): void;

@@ -57,12 +59,10 @@

export declare function leaveSelectionMode(k: KeyboardMemory): void;
export declare function setSelectionDiff(k: KeyboardMemory, diffWithCurrent: number): void;
export declare function insertWithEncapsulateSelectionAndPrevious(k: KeyboardMemory, newNode: BranchingNode): void;
export declare function selectLeft(k: KeyboardMemory): void;
export declare function inSelectionMode(k: KeyboardMemory): boolean;
export declare function leaveSelectionMode(k: KeyboardMemory): void;
export declare function selectLeft(k: KeyboardMemory): void;
export declare function selectRight(k: KeyboardMemory): void;

@@ -96,4 +96,2 @@

export declare function parseLatex(latex: string | null, latexConfiguration: LatexConfiguration, latexParserConfiguration: LatexParserConfiguration): KeyboardMemory;
export declare abstract class BranchingNode extends TreeNode {

@@ -109,6 +107,7 @@ placeholders: Placeholder[];

decimalSeparator: string;
descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets: string[];
useRoundBracketsNode: boolean;
preferRoundBracketsNode: boolean;
}
export declare function parseLatex(latex: string | null, latexConfiguration: LatexConfiguration, latexParserConfiguration: LatexParserConfiguration): KeyboardMemory;
export declare abstract class TreeNode {

@@ -148,2 +147,5 @@ parentPlaceholder: Placeholder;

export declare abstract class PartOfNumberWithDigits extends LeafNode {
}
export declare class StandardBranchingNode extends BranchingNode {

@@ -169,8 +171,2 @@ private readonly before;

export declare class Placeholder {
parentNode: BranchingNode | null;
nodes: TreeNode[];
getLatex(k: KeyboardMemory, latexConfiguration: LatexConfiguration): string;
}
export declare class StandardLeafNode extends LeafNode {

@@ -182,4 +178,7 @@ private readonly latex;

export declare abstract class PartOfNumberWithDigits extends LeafNode {
export declare class Placeholder {
parentNode: BranchingNode | null;
nodes: TreeNode[];
getLatex(k: KeyboardMemory, latexConfiguration: LatexConfiguration): string;
}

86

dist/MathKeyboardEngine.es2015-iife.js

@@ -881,8 +881,8 @@ "use strict";

}
if (latexParserConfiguration.useRoundBracketsNode && (x[0] == "(" || x.startsWith(String.raw`\left(`))) {
if (latexParserConfiguration.preferRoundBracketsNode && (x[0] == "(" || x.startsWith(String.raw`\left(`))) {
const opening = x[0] == "(" ? "(" : String.raw`\left(`;
const closing = x[0] == "(" ? ")" : String.raw`\right)`;
const bracketsContentAndRest = getBracketPairContent(opening, closing, x);
const bracketsNode = new RoundBracketsNode(opening, closing);
insert(k, bracketsNode);
const bracketsContentAndRest = getBracketPairContent(opening, closing, x);
const bracketsContentNodes = parseLatex(bracketsContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;

@@ -896,3 +896,3 @@ insert(k, bracketsContentNodes);

for (const prefix of ["\\left\\", "\\right\\", String.raw`\left`, String.raw`\right`]) {
if (x.startsWith(prefix)) {
if (x.startsWith(prefix) && !isLetter(x.slice(prefix.length)[0])) {
insert(k, new StandardLeafNode(prefix + x[prefix.length]));

@@ -907,29 +907,2 @@ x = x.slice(prefix.length + 1);

}
for (const commandWithBrackets of latexParserConfiguration.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets) {
const opening = commandWithBrackets.slice(0, -3);
const closingBracket1 = commandWithBrackets.slice(-3, -2);
const openingBracket2 = commandWithBrackets.slice(-2, -1);
const closingBracket2 = commandWithBrackets.slice(-1);
if (x.startsWith(opening)) {
const numeratorAndRest = getBracketPairContent(opening, closingBracket1, x);
if (numeratorAndRest.rest[0] != openingBracket2) {
continue;
}
const node = new DescendingBranchingNode(opening, closingBracket1 + openingBracket2, closingBracket2);
insert(k, node);
const numeratorNodes = parseLatex(numeratorAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, numeratorNodes);
moveRight(k);
const denominatorAndRest = getBracketPairContent(openingBracket2, closingBracket2, numeratorAndRest.rest);
const denominatorNodes = parseLatex(denominatorAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, denominatorNodes);
k.current = node;
x = denominatorAndRest.rest;
handled = true;
break;
}
}
if (handled) {
continue;
}
const textOpening = String.raw`\text{`;

@@ -953,12 +926,24 @@ if (x.startsWith(textOpening)) {

command += character;
} else if (character == "{") {
command += character;
const opening = command;
const bracketPairContentAndRest = getBracketPairContent(opening, "}", x);
const placeholderContent = parseLatex(bracketPairContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
const branchingNode = new StandardBranchingNode(opening, "}");
insert(k, branchingNode);
insert(k, placeholderContent);
k.current = branchingNode;
x = bracketPairContentAndRest.rest;
} else if (character == "{" || character == "[") {
const opening = command + character;
const closingBracket1 = character == "{" ? "}" : "]";
const bracketPair1ContentAndRest = getBracketPairContent(opening, closingBracket1, x);
const placeholder1Nodes = parseLatex(bracketPair1ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
if (bracketPair1ContentAndRest.rest[0] == "{") {
const multiPlaceholderBranchingNode = new DescendingBranchingNode(opening, closingBracket1 + "{", "}");
insert(k, multiPlaceholderBranchingNode);
insert(k, placeholder1Nodes);
moveRight(k);
const bracketPair2ContentAndRest = getBracketPairContent("{", "}", bracketPair1ContentAndRest.rest);
const placeholder2Nodes = parseLatex(bracketPair2ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder2Nodes);
k.current = multiPlaceholderBranchingNode;
x = bracketPair2ContentAndRest.rest;
} else {
const singlePlaceholderBranchingNode = new StandardBranchingNode(opening, closingBracket1);
insert(k, singlePlaceholderBranchingNode);
insert(k, placeholder1Nodes);
k.current = singlePlaceholderBranchingNode;
x = bracketPair1ContentAndRest.rest;
}
handled = true;

@@ -981,2 +966,20 @@ break;

}
if (x.startsWith("_{")) {
const opening = "_{";
const closingBracket1 = "}";
const bracketPair1ContentAndRest = getBracketPairContent(opening, closingBracket1, x);
if (bracketPair1ContentAndRest.rest.startsWith("^{")) {
const ascendingBranchingNode = new AscendingBranchingNode(opening, "}^{", "}");
insert(k, ascendingBranchingNode);
const placeholder1Nodes = parseLatex(bracketPair1ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder1Nodes);
moveRight(k);
const bracketPair2ContentAndRest = getBracketPairContent("^{", "}", bracketPair1ContentAndRest.rest);
const placeholder2Nodes = parseLatex(bracketPair2ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder2Nodes);
k.current = ascendingBranchingNode;
x = bracketPair2ContentAndRest.rest;
continue;
}
}
const various = [

@@ -1015,4 +1018,3 @@ ["^{", () => new AscendingBranchingNode("", "^{", "}")],

this.decimalSeparator = ".";
this.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets = [];
this.useRoundBracketsNode = true;
this.preferRoundBracketsNode = true;
}

@@ -1019,0 +1021,0 @@ };

2

dist/MathKeyboardEngine.es2015-iife.min.js

@@ -1,1 +0,1 @@

"use strict";var mke=(()=>{var Y=Object.defineProperty;var Pe=Object.getOwnPropertyDescriptor;var ye=Object.getOwnPropertyNames;var Ne=Object.prototype.hasOwnProperty;var ve=(e,o)=>{for(var r in o)Y(e,r,{get:o[r],enumerable:!0})},be=(e,o,r,t)=>{if(o&&typeof o=="object"||typeof o=="function")for(let n of ye(o))!Ne.call(e,n)&&n!==r&&Y(e,n,{get:()=>o[n],enumerable:!(t=Pe(o,n))||t.enumerable});return e};var Se=e=>be(Y({},"__esModule",{value:!0}),e);var Te={};ve(Te,{AscendingBranchingNode:()=>q,BranchingNode:()=>m,DecimalSeparatorNode:()=>F,DescendingBranchingNode:()=>E,DigitNode:()=>V,KeyboardMemory:()=>S,LatexConfiguration:()=>X,LatexParserConfiguration:()=>Q,LeafNode:()=>O,MatrixNode:()=>z,Placeholder:()=>c,RoundBracketsNode:()=>R,StandardBranchingNode:()=>x,StandardLeafNode:()=>L,TreeNode:()=>u,deleteLeft:()=>Z,deleteRight:()=>J,deleteSelection:()=>le,enterSelectionMode:()=>fe,getEditModeLatex:()=>re,getViewModeLatex:()=>oe,inSelectionMode:()=>me,insert:()=>a,insertWithEncapsulateCurrent:()=>j,insertWithEncapsulateSelection:()=>ce,insertWithEncapsulateSelectionAndPrevious:()=>se,leaveSelectionMode:()=>$,moveDown:()=>ae,moveLeft:()=>de,moveRight:()=>N,moveUp:()=>pe,parseLatex:()=>W,selectLeft:()=>ue,selectRight:()=>he});function re(e,o){return e.syntaxTreeRoot.getLatex(e,o)}function T(e){return e.toLowerCase()!=e.toUpperCase()}function te(e){if(e.length==0)return!1;if(T(e[e.length-1]))for(let o=e.length-2;o>=0;o--){let r=e[o];if(!T(r))return r=="\\"}return!1}function w(...e){let o="";for(let r=0;r<e.length;r++){let t=e[r];te(o)&&T(t[0])&&(o+=" "),o+=t}return o}var c=class{constructor(){this.parentNode=null;this.nodes=[]}getLatex(o,r){let t=()=>w(...this.nodes.map(n=>n.getLatex(o,r)));return o.inclusiveSelectionLeftBorder===this?w(r.selectionHightlightStart,t()):this===o.current?this.nodes.length==0?r.activePlaceholderLatex:w(r.activePlaceholderLatex,t()):this.nodes.length==0?r.passivePlaceholderLatex:t()}};var S=class{constructor(){this.syntaxTreeRoot=new c;this.current=this.syntaxTreeRoot;this.selectionDiff=null;this.inclusiveSelectionRightBorder=null;this.inclusiveSelectionLeftBorder=null}};var Le=new S;function oe(e,o){return(e instanceof S?e.syntaxTreeRoot:e).getLatex(Le,o)}function ne(e,o){let r=!1;for(let t=e.length-1;t>=0;t--){let n=e[t];if(!r){n===o&&(r=!0);continue}if(n.nodes.length>0)return n}return null}function b(e){return e.length==0?null:e[e.length-1]}function h(e,o){let r=e.indexOf(o);return r>0?e[r-1]:null}function B(e,o){let r=e.indexOf(o);e.splice(r,1)}var u=class{getLatex(o,r){let t=this.getLatexPart(o,r);return o.selectionDiff!=null&&o.selectionDiff!=0?(o.inclusiveSelectionLeftBorder===this&&(t=w(r.selectionHightlightStart,t)),o.inclusiveSelectionRightBorder===this&&(t=w(t,r.selectionHightlightEnd)),t):o.current===this?w(t,r.activePlaceholderLatex):t}};var m=class extends u{constructor(r){super();this.placeholders=r,this.placeholders.forEach(t=>{t.parentNode=this})}getMoveDownSuggestion(r){return null}getMoveUpSuggestion(r){return null}};function P(e){return e[e.length-1]}var O=class extends u{};var y=class extends O{};function G(e,o,r){for(let t=e-1;t>=0;t--){let n=o[t];if(n instanceof y)B(o,n),r.nodes.unshift(n),n.parentPlaceholder=r;else break}}function A(e){let o=e.parentNode,r=o.parentPlaceholder.nodes.indexOf(o);o.parentPlaceholder.nodes.splice(r,1,...e.nodes);for(let t of e.nodes)t.parentPlaceholder=o.parentPlaceholder}function Z(e){var o;if(e.current instanceof c){if(e.current.parentNode==null||e.current.nodes.length>0)return;{let r=ne(e.current.parentNode.placeholders,e.current);if(r)e.current.parentNode.placeholders.length==2&&e.current===e.current.parentNode.placeholders[1]&&e.current.nodes.length==0?(A(r),e.current=P(r.nodes)):(r.nodes.pop(),e.current=(o=b(r.nodes))!=null?o:r);else if(e.current.parentNode.placeholders.every(t=>t.nodes.length==0)){let t=e.current.parentNode.parentPlaceholder,n=h(t.nodes,e.current.parentNode);B(t.nodes,e.current.parentNode),e.current=n!=null?n:t}else if(e.current.parentNode.placeholders[0]===e.current&&e.current.nodes.length==0&&e.current.parentNode.placeholders.some(t=>t.nodes.length!=0)){let t=h(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);if(t!=null)Be(t,e.current),e.current=P(e.current.nodes);else{let n=e.current.parentNode.placeholders.filter(i=>i.nodes.length!=0);if(n.length==1){let 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c)if(e.current.parentNode!=null&&e.current.parentNode.placeholders.every(r=>r.nodes.length==0)){let r=h(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);B(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode),e.current=r!=null?r:e.current.parentNode.parentPlaceholder}else{let r=e.current.nodes;if(r.length>0)ie(e,r[0]);else if(e.current.parentNode!=null){let t=e.current.parentNode,n=t.placeholders;if(n[0]==e.current&&n.length==2){let i=n[1];e.current=(o=h(t.parentPlaceholder.nodes,t))!=null?o:t.parentPlaceholder,A(i)}else for(let i=n.indexOf(e.current)+1;i<n.length;i++)if(n[i].nodes.length>0){e.current=n[i],J(e);return}}}else{let r=K(e.current.parentPlaceholder.nodes,e.current);r!=null&&ie(e,r)}}function ie(e,o){o instanceof m?o.placeholders.length==1&&o.placeholders[0].nodes.length>0?A(o.placeholders[0]):o.placeholders.length==2&&o.placeholders[0].nodes.length==0&&o.placeholders[1].nodes.length>0?A(o.placeholders[1]):(e.current=o.placeholders[0],J(e)):B(o.parentPlaceholder.nodes,o)}function $(e){e.selectionDiff=null,e.inclusiveSelectionRightBorder=null,e.inclusiveSelectionLeftBorder=null}function U(e){var r;if(e.selectionDiff==null)throw"Enter selection mode before calling this method.";if(e.selectionDiff==0)return $(e),[];let o=e.selectionDiff;if(e.current instanceof c)return $(e),e.current.nodes.splice(0,o);{let t=e.current.parentPlaceholder.nodes,n=t.indexOf(e.inclusiveSelectionLeftBorder);return e.current=(r=h(t,e.inclusiveSelectionLeftBorder))!=null?r:e.current.parentPlaceholder,$(e),t.splice(n,Me(o))}}function Me(e){return e<0?-e:e}function le(e){U(e)}function N(e){var o;if(e.current instanceof c)if(e.current.nodes.length>0){let r=e.current.nodes[0];e.current=r instanceof m?r.placeholders[0]:r}else{if(e.current.parentNode==null)return;e.current=(o=K(e.current.parentNode.placeholders,e.current))!=null?o:e.current.parentNode}else{let r=K(e.current.parentPlaceholder.nodes,e.current);if(r!=null)e.current=r instanceof m?r.placeholders[0]:r;else{let t=e.current.parentPlaceholder.parentNode;if(t!=null){let n=K(t.placeholders,e.current.parentPlaceholder);e.current=n!=null?n:t}}}}function a(e,o){if(o instanceof Array)for(let r of o)a(e,r),e.current=r;else{if(e.current instanceof c)e.current.nodes.unshift(o),o.parentPlaceholder=e.current;else{let r=e.current.parentPlaceholder,t=r.nodes.indexOf(e.current);r.nodes.splice(t+1,0,o),o.parentPlaceholder=r}N(e)}}var x=class extends m{constructor(r,t,...n){let i=n.length+1,l=new Array;for(let v=0;v<i;v++)l.push(new c);super(l);this.before=r,this.then=t,this.rest=n}getLatexPart(r,t){let n=this.before+this.placeholders[0].getLatex(r,t)+this.then;for(let i=0;i<this.rest.length;i++)n+=this.placeholders[i+1].getLatex(r,t)+this.rest[i];return n}};var R=class extends x{constructor(o=String.raw`\left(`,r=String.raw`\right)`){super(o,r)}};function H(e,o){for(let r of e)r.parentPlaceholder=o,o.nodes.push(r)}function j(e,o,r){var n;let t=o.placeholders[0];if(e.current instanceof u){let i=e.current.parentPlaceholder.nodes,l=i.indexOf(e.current);i[l]=o,o.parentPlaceholder=e.current.parentPlaceholder,e.current instanceof R&&(r!=null&&r.deleteOuterRoundBracketsIfAny)?(H(e.current.placeholders[0].nodes,t),e.current=(n=K(o.placeholders,t))!=null?n:o):e.current instanceof y?(t.nodes.push(e.current),e.current.parentPlaceholder=t,G(l,i,t),N(e)):(t.nodes.push(e.current),e.current.parentPlaceholder=t,N(e))}else a(e,o)}function ce(e,o){let r=U(e);if(a(e,o),r.length>0){let t=o.placeholders[0];H(r,t),e.current=P(r),N(e)}}function se(e,o){var n;if(o.placeholders.length<2)throw"Expected 2 placeholders.";let r=U(e),t=o.placeholders[1];H(r,t),j(e,o),e.current=(n=b(r))!=null?n:t}function ae(e){var t;let o=e.current instanceof c?e.current:e.current.parentPlaceholder,r;for(;;){if(o.parentNode==null)return;r=o.parentNode;let n=r.getMoveDownSuggestion(o);if(n!=null){e.current=(t=b(n.nodes))!=null?t:n;return}o=r.parentPlaceholder}}function de(e){var o,r,t;if(e.current instanceof c){if(e.current.parentNode==null)return;let n=h(e.current.parentNode.placeholders,e.current);if(n!==null)e.current=(o=b(n.nodes))!=null?o:n;else{let i=e.current.parentNode.parentPlaceholder,l=h(i.nodes,e.current.parentNode);e.current=l!=null?l:i}}else if(e.current instanceof m){let n=P(e.current.placeholders);e.current=(r=b(n.nodes))!=null?r:n}else e.current=(t=h(e.current.parentPlaceholder.nodes,e.current))!=null?t:e.current.parentPlaceholder}function pe(e){var t;let o=e.current instanceof c?e.current:e.current.parentPlaceholder,r;for(;;){if(o.parentNode==null)return;r=o.parentNode;let 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r>0?this.placeholders[r-1]:null}getMoveUpSuggestion(o){let r=this.placeholders.indexOf(o);return r<this.placeholders.length-1?this.placeholders[r+1]:null}};var q=class extends N{constructor(r="."){super();this.latex=typeof r=="string"?()=>r:r}getLatexPart(r,t){return this.latex()}};var _=class extends P{getMoveDownSuggestion(o){let r=this.placeholders.indexOf(o);return r<this.placeholders.length-1?this.placeholders[r+1]:null}getMoveUpSuggestion(o){let r=this.placeholders.indexOf(o);return r>0?this.placeholders[r-1]:null}};var F=class extends N{constructor(r){super();this.latex=r}getLatexPart(r,t){return this.latex}};var L=class extends D{constructor(r){super();this.latex=typeof r=="string"?()=>r:r}getLatexPart(r,t){return this.latex()}};function T(e,o,r){let t=e.slice(-1),n=r.slice(e.length),i=0;for(let l=0;l<n.length;l++){if(n.substring(l,l+o.length)==o){if(i==0)return{content:n.slice(0,l),rest:n.slice(l+o.length)};i--;continue}let v=["\\"+t,"\\"+o,String.raw`\left`+t,String.raw`\right`+o],d=n.slice(l);for(let f of v)if(d.length>=f.length&&d.startsWith(f)){l+=f.length;continue}n[l]==t&&i++}throw`A closing ${o} is missing.`}var V=class extends m{constructor(r,t,n){let i=[],l=[];for(let v=0;v<n;v++){let d=[];for(let f=0;f<t;f++){let s=new c;d.push(s),l.push(s)}i.push(d)}super(l);this.grid=i,this.matrixType=r,this.width=t}getLatexPart(r,t){let n=String.raw`\begin{${this.matrixType}}`;return n+=this.grid.map(i=>i.map(l=>l.getLatex(r,t)).join(" & ")).join(String.raw` \\ `),n+=String.raw`\end{${this.matrixType}}`,n}getMoveDownSuggestion(r){let{rowIndex:t,columnIndex:n}=this.getPositionOf(r);return t+1<this.grid.length?this.grid[t+1][n]:null}getMoveUpSuggestion(r){let{rowIndex:t,columnIndex:n}=this.getPositionOf(r);return t-1>=0?this.grid[t-1][n]:null}getPositionOf(r){let t=this.placeholders.indexOf(r);if(t==-1)throw"The provided Placeholder is not part of this MatrixNode.";let n=Math.floor(t/this.width),i=t-n*this.width;return{rowIndex:n,columnIndex:i}}};function w(e,o,r){var i;let t=e==null?void 0:e.trim();if(t==null||t=="")return new S;let n=new S;for(;t!="";){if(t[0]==" "){t=t.trimStart();continue}if(t.startsWith(r.decimalSeparator)){a(n,new q(r.decimalSeparator)),t=t.slice(r.decimalSeparator.length);continue}if(["1","2","3","4","5","6","7","8","9","0"].includes(t[0])||(i=r.additionalDigits)!=null&&i.includes(t[0])){a(n,new F(t[0])),t=t.slice(1);continue}let l=!1;if(t.startsWith(String.raw`\begin{`)){let d=T(String.raw`\begin{`,"}",t);if(!d.content.endsWith("matrix")&&!d.content.endsWith("cases"))throw String.raw`Expected a word ending with 'matrix' or 'cases' after '\begin{'.`;let s=d.rest.slice(0,d.rest.indexOf(String.raw`\end{${d.content}}`)).split(String.raw`\\`);a(n,new V(d.content,s[0].split("&").length,s.length));for(let g of s)for(let O of g.split("&")){let K=w(O,o,r).syntaxTreeRoot.nodes;a(n,K),x(n)}let p=String.raw`\end{${d.content}}`;t=t.slice(t.indexOf(p)+p.length);continue}if(r.preferRoundBracketsNode&&(t[0]=="("||t.startsWith(String.raw`\left(`))){let d=t[0]=="("?"(":String.raw`\left(`,f=t[0]=="("?")":String.raw`\right)`,s=new W(d,f);a(n,s);let p=T(d,f,t),g=w(p.content,o,r).syntaxTreeRoot.nodes;a(n,g),n.current=s,t=p.rest;continue}if(t.startsWith("\\")){for(let s of["\\left\\","\\right\\",String.raw`\left`,String.raw`\right`])if(t.startsWith(s)&&!B(t.slice(s.length)[0])){a(n,new L(s+t[s.length])),t=t.slice(s.length+1),l=!0;break}if(l)continue;let d=String.raw`\text{`;if(t.startsWith(d)){let s=T(d,"}",t),p=new P(d,"}");a(n,p);for(let g of s.content)a(n,new L(g));n.current=p,t=s.rest;continue}let f="\\";if(B(t[1])){for(let s=1;s<t.length;s++){let p=t[s];if(B(p))f+=p;else if(p=="{"||p=="["){let g=f+p,O=p=="{"?"}":"]",K=T(g,O,t),k=w(K.content,o,r).syntaxTreeRoot.nodes;if(K.rest[0]=="{"){let z=new _(g,O+"{","}");a(n,z),a(n,k),x(n);let ee=T("{","}",K.rest),ge=w(ee.content,o,r).syntaxTreeRoot.nodes;a(n,ge),n.current=z,t=ee.rest}else{let z=new P(g,O);a(n,z),a(n,k),n.current=z,t=K.rest}l=!0;break}else break}if(l)continue;a(n,new L(f)),t=t.slice(f.length)}else a(n,new L("\\"+t[1])),t=t.slice(2);continue}if(t.startsWith("_{")){let d="_{",s=T(d,"}",t);if(s.rest.startsWith("^{")){let p=new I(d,"}^{","}");a(n,p);let g=w(s.content,o,r).syntaxTreeRoot.nodes;a(n,g),x(n);let O=T("^{","}",s.rest),K=w(O.content,o,r).syntaxTreeRoot.nodes;a(n,K),n.current=p,t=O.rest;continue}}let v=[["^{",()=>new I("","^{","}")],["_{",()=>new _("","_{","}")]];for(let d of v){let f=d[0];if(t.startsWith(f)){let s=d[1]();j(n,s);let p=T(f,"}",t),g=w(p.content,o,r).syntaxTreeRoot.nodes;a(n,g),n.current=s,t=p.rest,l=!0;break}}l!=!0&&(a(n,new L(t[0])),t=t.slice(1))}return n}var Q=class{constructor(){this.additionalDigits=null;this.decimalSeparator=".";this.preferRoundBracketsNode=!0}};var X=class{constructor(){this.activePlaceholderShape=String.raw`\blacksquare`;this.passivePlaceholderShape=String.raw`\square`;this.selectionHightlightStart=String.raw`\colorbox{#ADD8E6}{\(\displaystyle`;this.selectionHightlightEnd=String.raw`\)}`}get activePlaceholderLatex(){return this.activePlaceholderColor==null?this.activePlaceholderShape:String.raw`{\color{${this.activePlaceholderColor}}${this.activePlaceholderShape}}`}get passivePlaceholderLatex(){return this.passivePlaceholderColor==null?this.passivePlaceholderShape:String.raw`{\color{${this.passivePlaceholderColor}}${this.passivePlaceholderShape}}`}};return be(Me);})();

86

dist/MathKeyboardEngine.es2017-esm.js

@@ -822,8 +822,8 @@ // src/GetLatex/getEditModeLatex.ts

}
if (latexParserConfiguration.useRoundBracketsNode && (x[0] == "(" || x.startsWith(String.raw`\left(`))) {
if (latexParserConfiguration.preferRoundBracketsNode && (x[0] == "(" || x.startsWith(String.raw`\left(`))) {
const opening = x[0] == "(" ? "(" : String.raw`\left(`;
const closing = x[0] == "(" ? ")" : String.raw`\right)`;
const bracketsContentAndRest = getBracketPairContent(opening, closing, x);
const bracketsNode = new RoundBracketsNode(opening, closing);
insert(k, bracketsNode);
const bracketsContentAndRest = getBracketPairContent(opening, closing, x);
const bracketsContentNodes = parseLatex(bracketsContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;

@@ -837,3 +837,3 @@ insert(k, bracketsContentNodes);

for (const prefix of ["\\left\\", "\\right\\", String.raw`\left`, String.raw`\right`]) {
if (x.startsWith(prefix)) {
if (x.startsWith(prefix) && !isLetter(x.slice(prefix.length)[0])) {
insert(k, new StandardLeafNode(prefix + x[prefix.length]));

@@ -848,29 +848,2 @@ x = x.slice(prefix.length + 1);

}
for (const commandWithBrackets of latexParserConfiguration.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets) {
const opening = commandWithBrackets.slice(0, -3);
const closingBracket1 = commandWithBrackets.slice(-3, -2);
const openingBracket2 = commandWithBrackets.slice(-2, -1);
const closingBracket2 = commandWithBrackets.slice(-1);
if (x.startsWith(opening)) {
const numeratorAndRest = getBracketPairContent(opening, closingBracket1, x);
if (numeratorAndRest.rest[0] != openingBracket2) {
continue;
}
const node = new DescendingBranchingNode(opening, closingBracket1 + openingBracket2, closingBracket2);
insert(k, node);
const numeratorNodes = parseLatex(numeratorAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, numeratorNodes);
moveRight(k);
const denominatorAndRest = getBracketPairContent(openingBracket2, closingBracket2, numeratorAndRest.rest);
const denominatorNodes = parseLatex(denominatorAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, denominatorNodes);
k.current = node;
x = denominatorAndRest.rest;
handled = true;
break;
}
}
if (handled) {
continue;
}
const textOpening = String.raw`\text{`;

@@ -894,12 +867,24 @@ if (x.startsWith(textOpening)) {

command += character;
} else if (character == "{") {
command += character;
const opening = command;
const bracketPairContentAndRest = getBracketPairContent(opening, "}", x);
const placeholderContent = parseLatex(bracketPairContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
const branchingNode = new StandardBranchingNode(opening, "}");
insert(k, branchingNode);
insert(k, placeholderContent);
k.current = branchingNode;
x = bracketPairContentAndRest.rest;
} else if (character == "{" || character == "[") {
const opening = command + character;
const closingBracket1 = character == "{" ? "}" : "]";
const bracketPair1ContentAndRest = getBracketPairContent(opening, closingBracket1, x);
const placeholder1Nodes = parseLatex(bracketPair1ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
if (bracketPair1ContentAndRest.rest[0] == "{") {
const multiPlaceholderBranchingNode = new DescendingBranchingNode(opening, closingBracket1 + "{", "}");
insert(k, multiPlaceholderBranchingNode);
insert(k, placeholder1Nodes);
moveRight(k);
const bracketPair2ContentAndRest = getBracketPairContent("{", "}", bracketPair1ContentAndRest.rest);
const placeholder2Nodes = parseLatex(bracketPair2ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder2Nodes);
k.current = multiPlaceholderBranchingNode;
x = bracketPair2ContentAndRest.rest;
} else {
const singlePlaceholderBranchingNode = new StandardBranchingNode(opening, closingBracket1);
insert(k, singlePlaceholderBranchingNode);
insert(k, placeholder1Nodes);
k.current = singlePlaceholderBranchingNode;
x = bracketPair1ContentAndRest.rest;
}
handled = true;

@@ -922,2 +907,20 @@ break;

}
if (x.startsWith("_{")) {
const opening = "_{";
const closingBracket1 = "}";
const bracketPair1ContentAndRest = getBracketPairContent(opening, closingBracket1, x);
if (bracketPair1ContentAndRest.rest.startsWith("^{")) {
const ascendingBranchingNode = new AscendingBranchingNode(opening, "}^{", "}");
insert(k, ascendingBranchingNode);
const placeholder1Nodes = parseLatex(bracketPair1ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder1Nodes);
moveRight(k);
const bracketPair2ContentAndRest = getBracketPairContent("^{", "}", bracketPair1ContentAndRest.rest);
const placeholder2Nodes = parseLatex(bracketPair2ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder2Nodes);
k.current = ascendingBranchingNode;
x = bracketPair2ContentAndRest.rest;
continue;
}
}
const various = [

@@ -956,4 +959,3 @@ ["^{", () => new AscendingBranchingNode("", "^{", "}")],

this.decimalSeparator = ".";
this.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets = [];
this.useRoundBracketsNode = true;
this.preferRoundBracketsNode = true;
}

@@ -960,0 +962,0 @@ };

2

dist/MathKeyboardEngine.es2017-esm.min.js

@@ -1,1 +0,1 @@

function ie(e,o){return e.syntaxTreeRoot.getLatex(e,o)}function T(e){return e.toLowerCase()!=e.toUpperCase()}function k(e){if(e.length==0)return!1;if(T(e[e.length-1]))for(let o=e.length-2;o>=0;o--){let r=e[o];if(!T(r))return r=="\\"}return!1}function w(...e){let o="";for(let r=0;r<e.length;r++){let t=e[r];k(o)&&T(t[0])&&(o+=" "),o+=t}return o}var c=class{constructor(){this.parentNode=null;this.nodes=[]}getLatex(o,r){let t=()=>w(...this.nodes.map(n=>n.getLatex(o,r)));return o.inclusiveSelectionLeftBorder===this?w(r.selectionHightlightStart,t()):this===o.current?this.nodes.length==0?r.activePlaceholderLatex:w(r.activePlaceholderLatex,t()):this.nodes.length==0?r.passivePlaceholderLatex:t()}};var S=class{constructor(){this.syntaxTreeRoot=new c;this.current=this.syntaxTreeRoot;this.selectionDiff=null;this.inclusiveSelectionRightBorder=null;this.inclusiveSelectionLeftBorder=null}};var le=new S;function ce(e,o){return(e instanceof S?e.syntaxTreeRoot:e).getLatex(le,o)}function ee(e,o){let r=!1;for(let t=e.length-1;t>=0;t--){let n=e[t];if(!r){n===o&&(r=!0);continue}if(n.nodes.length>0)return n}return null}function v(e){return e.length==0?null:e[e.length-1]}function u(e,o){let r=e.indexOf(o);return r>0?e[r-1]:null}function L(e,o){let r=e.indexOf(o);e.splice(r,1)}var h=class{getLatex(o,r){let t=this.getLatexPart(o,r);return o.selectionDiff!=null&&o.selectionDiff!=0?(o.inclusiveSelectionLeftBorder===this&&(t=w(r.selectionHightlightStart,t)),o.inclusiveSelectionRightBorder===this&&(t=w(t,r.selectionHightlightEnd)),t):o.current===this?w(t,r.activePlaceholderLatex):t}};var m=class extends h{constructor(r){super();this.placeholders=r,this.placeholders.forEach(t=>{t.parentNode=this})}getMoveDownSuggestion(r){return null}getMoveUpSuggestion(r){return null}};function x(e){return e[e.length-1]}var D=class extends h{};var P=class extends D{};function G(e,o,r){for(let t=e-1;t>=0;t--){let n=o[t];if(n instanceof P)L(o,n),r.nodes.unshift(n),n.parentPlaceholder=r;else break}}function C(e){let o=e.parentNode,r=o.parentPlaceholder.nodes.indexOf(o);o.parentPlaceholder.nodes.splice(r,1,...e.nodes);for(let t of e.nodes)t.parentPlaceholder=o.parentPlaceholder}function re(e){var o;if(e.current instanceof c){if(e.current.parentNode==null||e.current.nodes.length>0)return;{let r=ee(e.current.parentNode.placeholders,e.current);if(r)e.current.parentNode.placeholders.length==2&&e.current===e.current.parentNode.placeholders[1]&&e.current.nodes.length==0?(C(r),e.current=x(r.nodes)):(r.nodes.pop(),e.current=(o=v(r.nodes))!=null?o:r);else if(e.current.parentNode.placeholders.every(t=>t.nodes.length==0)){let t=e.current.parentNode.parentPlaceholder,n=u(t.nodes,e.current.parentNode);L(t.nodes,e.current.parentNode),e.current=n!=null?n:t}else if(e.current.parentNode.placeholders[0]===e.current&&e.current.nodes.length==0&&e.current.parentNode.placeholders.some(t=>t.nodes.length!=0)){let t=u(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);if(t!=null)se(t,e.current),e.current=x(e.current.nodes);else{let n=e.current.parentNode.placeholders.filter(i=>i.nodes.length!=0);if(n.length==1){let i=n[0].nodes,l=e.current.parentNode.parentPlaceholder,N=l.nodes.indexOf(e.current.parentNode);for(let a of i)a.parentPlaceholder=l;l.nodes.splice(N,1,...i),e.current=x(i)}}}}}else if(e.current instanceof m&&e.current.placeholders[0].nodes.length>0&&e.current.placeholders.slice(1).every(r=>r.nodes.length==0)){let r=e.current.placeholders[0];C(r),e.current=x(r.nodes)}else if(e.current instanceof m&&e.current.placeholders.some(r=>r.nodes.length>0))e.current=x(e.current.placeholders.flatMap(r=>r.nodes)),re(e);else{let r=u(e.current.parentPlaceholder.nodes,e.current);L(e.current.parentPlaceholder.nodes,e.current),e.current=r!=null?r:e.current.parentPlaceholder}}function se(e,o){L(o.parentNode.parentPlaceholder.nodes,e),o.nodes.push(e);let r=e.parentPlaceholder;e.parentPlaceholder=o,e instanceof P&&G(r.nodes.length-1,r.nodes,o)}function O(e,o){let r=e.indexOf(o);return r!=-1&&r<e.length-1?e[r+1]:null}function J(e){var o;if(e.current instanceof c)if(e.current.parentNode!=null&&e.current.parentNode.placeholders.every(r=>r.nodes.length==0)){let r=u(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);L(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode),e.current=r!=null?r:e.current.parentNode.parentPlaceholder}else{let r=e.current.nodes;if(r.length>0)te(e,r[0]);else if(e.current.parentNode!=null){let t=e.current.parentNode,n=t.placeholders;if(n[0]==e.current&&n.length==2){let i=n[1];e.current=(o=u(t.parentPlaceholder.nodes,t))!=null?o:t.parentPlaceholder,C(i)}else for(let i=n.indexOf(e.current)+1;i<n.length;i++)if(n[i].nodes.length>0){e.current=n[i],J(e);return}}}else{let r=O(e.current.parentPlaceholder.nodes,e.current);r!=null&&te(e,r)}}function te(e,o){o instanceof m?o.placeholders.length==1&&o.placeholders[0].nodes.length>0?C(o.placeholders[0]):o.placeholders.length==2&&o.placeholders[0].nodes.length==0&&o.placeholders[1].nodes.length>0?C(o.placeholders[1]):(e.current=o.placeholders[0],J(e)):L(o.parentPlaceholder.nodes,o)}function H(e){e.selectionDiff=null,e.inclusiveSelectionRightBorder=null,e.inclusiveSelectionLeftBorder=null}function _(e){var r;if(e.selectionDiff==null)throw"Enter selection mode before calling this method.";if(e.selectionDiff==0)return H(e),[];let o=e.selectionDiff;if(e.current instanceof c)return H(e),e.current.nodes.splice(0,o);{let t=e.current.parentPlaceholder.nodes,n=t.indexOf(e.inclusiveSelectionLeftBorder);return e.current=(r=u(t,e.inclusiveSelectionLeftBorder))!=null?r:e.current.parentPlaceholder,H(e),t.splice(n,ae(o))}}function ae(e){return e<0?-e:e}function de(e){_(e)}function b(e){var o;if(e.current instanceof c)if(e.current.nodes.length>0){let r=e.current.nodes[0];e.current=r instanceof m?r.placeholders[0]:r}else{if(e.current.parentNode==null)return;e.current=(o=O(e.current.parentNode.placeholders,e.current))!=null?o:e.current.parentNode}else{let r=O(e.current.parentPlaceholder.nodes,e.current);if(r!=null)e.current=r instanceof m?r.placeholders[0]:r;else{let t=e.current.parentPlaceholder.parentNode;if(t!=null){let n=O(t.placeholders,e.current.parentPlaceholder);e.current=n!=null?n:t}}}}function d(e,o){if(o instanceof Array)for(let r of o)d(e,r),e.current=r;else{if(e.current instanceof c)e.current.nodes.unshift(o),o.parentPlaceholder=e.current;else{let r=e.current.parentPlaceholder,t=r.nodes.indexOf(e.current);r.nodes.splice(t+1,0,o),o.parentPlaceholder=r}b(e)}}var y=class extends m{constructor(r,t,...n){let i=n.length+1,l=new Array;for(let N=0;N<i;N++)l.push(new c);super(l);this.before=r,this.then=t,this.rest=n}getLatexPart(r,t){let n=this.before+this.placeholders[0].getLatex(r,t)+this.then;for(let i=0;i<this.rest.length;i++)n+=this.placeholders[i+1].getLatex(r,t)+this.rest[i];return n}};var W=class extends y{constructor(o=String.raw`\left(`,r=String.raw`\right)`){super(o,r)}};function $(e,o){for(let r of e)r.parentPlaceholder=o,o.nodes.push(r)}function j(e,o,r){var n;let t=o.placeholders[0];if(e.current instanceof h){let i=e.current.parentPlaceholder.nodes,l=i.indexOf(e.current);i[l]=o,o.parentPlaceholder=e.current.parentPlaceholder,e.current instanceof W&&(r!=null&&r.deleteOuterRoundBracketsIfAny)?($(e.current.placeholders[0].nodes,t),e.current=(n=O(o.placeholders,t))!=null?n:o):e.current instanceof P?(t.nodes.push(e.current),e.current.parentPlaceholder=t,G(l,i,t),b(e)):(t.nodes.push(e.current),e.current.parentPlaceholder=t,b(e))}else d(e,o)}function pe(e,o){let r=_(e);if(d(e,o),r.length>0){let t=o.placeholders[0];$(r,t),e.current=x(r),b(e)}}function fe(e,o){var n;if(o.placeholders.length<2)throw"Expected 2 placeholders.";let r=_(e),t=o.placeholders[1];$(r,t),j(e,o),e.current=(n=v(r))!=null?n:t}function me(e){var t;let o=e.current instanceof c?e.current:e.current.parentPlaceholder,r;for(;;){if(o.parentNode==null)return;r=o.parentNode;let n=r.getMoveDownSuggestion(o);if(n!=null){e.current=(t=v(n.nodes))!=null?t:n;return}o=r.parentPlaceholder}}function ue(e){var o,r,t;if(e.current instanceof c){if(e.current.parentNode==null)return;let n=u(e.current.parentNode.placeholders,e.current);if(n!==null)e.current=(o=v(n.nodes))!=null?o:n;else{let i=e.current.parentNode.parentPlaceholder,l=u(i.nodes,e.current.parentNode);e.current=l!=null?l:i}}else if(e.current instanceof m){let n=x(e.current.placeholders);e.current=(r=v(n.nodes))!=null?r:n}else e.current=(t=u(e.current.parentPlaceholder.nodes,e.current))!=null?t:e.current.parentPlaceholder}function he(e){var t;let o=e.current instanceof c?e.current:e.current.parentPlaceholder,r;for(;;){if(o.parentNode==null)return;r=o.parentNode;let n=r.getMoveUpSuggestion(o);if(n!=null){e.current=(t=v(n.nodes))!=null?t:n;return}o=r.parentPlaceholder}}function K(e,o){if(e.selectionDiff=o,o==0)e.inclusiveSelectionLeftBorder=null,e.inclusiveSelectionRightBorder=null;else if(e.current instanceof c)e.inclusiveSelectionLeftBorder=e.current,e.inclusiveSelectionRightBorder=e.current.nodes[o-1];else{let r=e.current.parentPlaceholder.nodes,t=r.indexOf(e.current);if(o>0)e.inclusiveSelectionLeftBorder=r[t+1],e.inclusiveSelectionRightBorder=r[t+o];else{let n=t+o+1;if(n<0)throw"The TreeNode at index 0 of the current Placeholder is as far as you can go left if current is a TreeNode.";e.inclusiveSelectionLeftBorder=r[n],e.inclusiveSelectionRightBorder=e.current}}}function ge(e){K(e,0)}function xe(e){return e.selectionDiff!=null}function Pe(e){var r;let o=(r=e.selectionDiff)!=null?r:0;e.current instanceof h&&e.current.parentPlaceholder.nodes.indexOf(e.current)+o>=0||e.current instanceof c&&o>0?K(e,o-1):e.inclusiveSelectionLeftBorder instanceof h&&e.inclusiveSelectionLeftBorder.parentPlaceholder.nodes.indexOf(e.inclusiveSelectionLeftBorder)==0&&e.inclusiveSelectionLeftBorder.parentPlaceholder.parentNode!=null&&(e.current=e.inclusiveSelectionLeftBorder.parentPlaceholder.parentNode,K(e,-1))}function ye(e){var r,t;let o=(r=e.selectionDiff)!=null?r:0;if(e.current instanceof c&&o<e.current.nodes.length||e.current instanceof h&&e.current.parentPlaceholder.nodes.indexOf(e.current)+o<e.current.parentPlaceholder.nodes.length-1)K(e,o+1);else if(e.inclusiveSelectionRightBorder instanceof h&&x(e.inclusiveSelectionRightBorder.parentPlaceholder.nodes)==e.inclusiveSelectionRightBorder&&e.inclusiveSelectionRightBorder.parentPlaceholder.parentNode!=null){let n=e.inclusiveSelectionRightBorder.parentPlaceholder.parentNode;e.current=(t=u(n.parentPlaceholder.nodes,n))!=null?t:n.parentPlaceholder,K(e,1)}}var q=class extends y{getMoveDownSuggestion(o){let r=this.placeholders.indexOf(o);return r>0?this.placeholders[r-1]:null}getMoveUpSuggestion(o){let r=this.placeholders.indexOf(o);return r<this.placeholders.length-1?this.placeholders[r+1]:null}};var F=class extends P{constructor(r="."){super();this.latex=typeof r=="string"?()=>r:r}getLatexPart(r,t){return this.latex()}};var U=class extends y{getMoveDownSuggestion(o){let r=this.placeholders.indexOf(o);return r<this.placeholders.length-1?this.placeholders[r+1]:null}getMoveUpSuggestion(o){let r=this.placeholders.indexOf(o);return r>0?this.placeholders[r-1]:null}};var V=class extends P{constructor(r){super();this.latex=r}getLatexPart(r,t){return this.latex}};var B=class extends D{constructor(r){super();this.latex=typeof r=="string"?()=>r:r}getLatexPart(r,t){return this.latex()}};function R(e,o,r){let t=e.slice(-1),n=r.slice(e.length),i=0;for(let l=0;l<n.length;l++){if(n.substring(l,l+o.length)==o){if(i==0)return{content:n.slice(0,l),rest:n.slice(l+o.length)};i--;continue}let N=["\\"+t,"\\"+o,String.raw`\left`+t,String.raw`\right`+o],a=n.slice(l);for(let f of N)if(a.length>=f.length&&a.startsWith(f)){l+=f.length;continue}n[l]==t&&i++}throw`A closing ${o} is missing.`}var z=class extends m{constructor(r,t,n){let i=[],l=[];for(let N=0;N<n;N++){let a=[];for(let f=0;f<t;f++){let s=new c;a.push(s),l.push(s)}i.push(a)}super(l);this.grid=i,this.matrixType=r,this.width=t}getLatexPart(r,t){let n=String.raw`\begin{${this.matrixType}}`;return n+=this.grid.map(i=>i.map(l=>l.getLatex(r,t)).join(" & ")).join(String.raw` \\ `),n+=String.raw`\end{${this.matrixType}}`,n}getMoveDownSuggestion(r){let{rowIndex:t,columnIndex:n}=this.getPositionOf(r);return t+1<this.grid.length?this.grid[t+1][n]:null}getMoveUpSuggestion(r){let{rowIndex:t,columnIndex:n}=this.getPositionOf(r);return t-1>=0?this.grid[t-1][n]:null}getPositionOf(r){let t=this.placeholders.indexOf(r);if(t==-1)throw"The provided Placeholder is not part of this MatrixNode.";let n=Math.floor(t/this.width),i=t-n*this.width;return{rowIndex:n,columnIndex:i}}};function A(e,o,r){var i;let t=e==null?void 0:e.trim();if(t==null||t=="")return new S;let n=new S;for(;t!="";){if(t[0]==" "){t=t.trimStart();continue}if(t.startsWith(r.decimalSeparator)){d(n,new F(r.decimalSeparator)),t=t.slice(r.decimalSeparator.length);continue}if(["1","2","3","4","5","6","7","8","9","0"].includes(t[0])||(i=r.additionalDigits)!=null&&i.includes(t[0])){d(n,new V(t[0])),t=t.slice(1);continue}let l=!1;if(t.startsWith(String.raw`\begin{`)){let a=R(String.raw`\begin{`,"}",t);if(!a.content.endsWith("matrix")&&!a.content.endsWith("cases"))throw String.raw`Expected a word ending with 'matrix' or 'cases' after '\begin{'.`;let s=a.rest.slice(0,a.rest.indexOf(String.raw`\end{${a.content}}`)).split(String.raw`\\`);d(n,new z(a.content,s[0].split("&").length,s.length));for(let g of s)for(let M of g.split("&")){let E=A(M,o,r).syntaxTreeRoot.nodes;d(n,E),b(n)}let p=String.raw`\end{${a.content}}`;t=t.slice(t.indexOf(p)+p.length);continue}if(r.useRoundBracketsNode&&(t[0]=="("||t.startsWith(String.raw`\left(`))){let a=t[0]=="("?"(":String.raw`\left(`,f=t[0]=="("?")":String.raw`\right)`,s=R(a,f,t),p=new W(a,f);d(n,p);let g=A(s.content,o,r).syntaxTreeRoot.nodes;d(n,g),n.current=p,t=s.rest;continue}if(t.startsWith("\\")){for(let s of["\\left\\","\\right\\",String.raw`\left`,String.raw`\right`])if(t.startsWith(s)){d(n,new B(s+t[s.length])),t=t.slice(s.length+1),l=!0;break}if(l)continue;for(let s of r.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets){let p=s.slice(0,-3),g=s.slice(-3,-2),M=s.slice(-2,-1),E=s.slice(-1);if(t.startsWith(p)){let I=R(p,g,t);if(I.rest[0]!=M)continue;let Y=new U(p,g+M,E);d(n,Y);let oe=A(I.content,o,r).syntaxTreeRoot.nodes;d(n,oe),b(n);let Z=R(M,E,I.rest),ne=A(Z.content,o,r).syntaxTreeRoot.nodes;d(n,ne),n.current=Y,t=Z.rest,l=!0;break}}if(l)continue;let a=String.raw`\text{`;if(t.startsWith(a)){let s=R(a,"}",t),p=new y(a,"}");d(n,p);for(let g of s.content)d(n,new B(g));n.current=p,t=s.rest;continue}let f="\\";if(T(t[1])){for(let s=1;s<t.length;s++){let p=t[s];if(T(p))f+=p;else if(p=="{"){f+=p;let g=f,M=R(g,"}",t),E=A(M.content,o,r).syntaxTreeRoot.nodes,I=new y(g,"}");d(n,I),d(n,E),n.current=I,t=M.rest,l=!0;break}else break}if(l)continue;d(n,new B(f)),t=t.slice(f.length)}else d(n,new B("\\"+t[1])),t=t.slice(2);continue}let N=[["^{",()=>new q("","^{","}")],["_{",()=>new U("","_{","}")]];for(let a of N){let f=a[0];if(t.startsWith(f)){let s=a[1]();j(n,s);let p=R(f,"}",t),g=A(p.content,o,r).syntaxTreeRoot.nodes;d(n,g),n.current=s,t=p.rest,l=!0;break}}l!=!0&&(d(n,new B(t[0])),t=t.slice(1))}return n}var Q=class{constructor(){this.additionalDigits=null;this.decimalSeparator=".";this.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets=[];this.useRoundBracketsNode=!0}};var X=class{constructor(){this.activePlaceholderShape=String.raw`\blacksquare`;this.passivePlaceholderShape=String.raw`\square`;this.selectionHightlightStart=String.raw`\colorbox{#ADD8E6}{\(\displaystyle`;this.selectionHightlightEnd=String.raw`\)}`}get activePlaceholderLatex(){return this.activePlaceholderColor==null?this.activePlaceholderShape:String.raw`{\color{${this.activePlaceholderColor}}${this.activePlaceholderShape}}`}get passivePlaceholderLatex(){return this.passivePlaceholderColor==null?this.passivePlaceholderShape:String.raw`{\color{${this.passivePlaceholderColor}}${this.passivePlaceholderShape}}`}};export{q as AscendingBranchingNode,m as BranchingNode,F as DecimalSeparatorNode,U as DescendingBranchingNode,V as DigitNode,S as KeyboardMemory,X as LatexConfiguration,Q as LatexParserConfiguration,D as LeafNode,z as MatrixNode,c as Placeholder,W as RoundBracketsNode,y as StandardBranchingNode,B as StandardLeafNode,h as TreeNode,re as deleteLeft,J as deleteRight,de as deleteSelection,ge as enterSelectionMode,ie as getEditModeLatex,ce as getViewModeLatex,xe as inSelectionMode,d as insert,j as insertWithEncapsulateCurrent,pe as insertWithEncapsulateSelection,fe as insertWithEncapsulateSelectionAndPrevious,H as leaveSelectionMode,me as moveDown,ue as moveLeft,b as moveRight,he as moveUp,A as parseLatex,Pe as selectLeft,ye as selectRight};
function ne(e,o){return e.syntaxTreeRoot.getLatex(e,o)}function S(e){return e.toLowerCase()!=e.toUpperCase()}function k(e){if(e.length==0)return!1;if(S(e[e.length-1]))for(let o=e.length-2;o>=0;o--){let r=e[o];if(!S(r))return r=="\\"}return!1}function K(...e){let o="";for(let r=0;r<e.length;r++){let t=e[r];k(o)&&S(t[0])&&(o+=" "),o+=t}return o}var c=class{constructor(){this.parentNode=null;this.nodes=[]}getLatex(o,r){let t=()=>K(...this.nodes.map(n=>n.getLatex(o,r)));return o.inclusiveSelectionLeftBorder===this?K(r.selectionHightlightStart,t()):this===o.current?this.nodes.length==0?r.activePlaceholderLatex:K(r.activePlaceholderLatex,t()):this.nodes.length==0?r.passivePlaceholderLatex:t()}};var L=class{constructor(){this.syntaxTreeRoot=new c;this.current=this.syntaxTreeRoot;this.selectionDiff=null;this.inclusiveSelectionRightBorder=null;this.inclusiveSelectionLeftBorder=null}};var ie=new L;function le(e,o){return(e instanceof L?e.syntaxTreeRoot:e).getLatex(ie,o)}function ee(e,o){let r=!1;for(let t=e.length-1;t>=0;t--){let n=e[t];if(!r){n===o&&(r=!0);continue}if(n.nodes.length>0)return n}return null}function b(e){return e.length==0?null:e[e.length-1]}function u(e,o){let r=e.indexOf(o);return r>0?e[r-1]:null}function B(e,o){let r=e.indexOf(o);e.splice(r,1)}var h=class{getLatex(o,r){let t=this.getLatexPart(o,r);return o.selectionDiff!=null&&o.selectionDiff!=0?(o.inclusiveSelectionLeftBorder===this&&(t=K(r.selectionHightlightStart,t)),o.inclusiveSelectionRightBorder===this&&(t=K(t,r.selectionHightlightEnd)),t):o.current===this?K(t,r.activePlaceholderLatex):t}};var m=class extends h{constructor(r){super();this.placeholders=r,this.placeholders.forEach(t=>{t.parentNode=this})}getMoveDownSuggestion(r){return null}getMoveUpSuggestion(r){return null}};function x(e){return e[e.length-1]}var W=class extends h{};var P=class extends W{};function G(e,o,r){for(let t=e-1;t>=0;t--){let n=o[t];if(n instanceof P)B(o,n),r.nodes.unshift(n),n.parentPlaceholder=r;else break}}function A(e){let o=e.parentNode,r=o.parentPlaceholder.nodes.indexOf(o);o.parentPlaceholder.nodes.splice(r,1,...e.nodes);for(let t of e.nodes)t.parentPlaceholder=o.parentPlaceholder}function re(e){var o;if(e.current instanceof c){if(e.current.parentNode==null||e.current.nodes.length>0)return;{let r=ee(e.current.parentNode.placeholders,e.current);if(r)e.current.parentNode.placeholders.length==2&&e.current===e.current.parentNode.placeholders[1]&&e.current.nodes.length==0?(A(r),e.current=x(r.nodes)):(r.nodes.pop(),e.current=(o=b(r.nodes))!=null?o:r);else if(e.current.parentNode.placeholders.every(t=>t.nodes.length==0)){let t=e.current.parentNode.parentPlaceholder,n=u(t.nodes,e.current.parentNode);B(t.nodes,e.current.parentNode),e.current=n!=null?n:t}else if(e.current.parentNode.placeholders[0]===e.current&&e.current.nodes.length==0&&e.current.parentNode.placeholders.some(t=>t.nodes.length!=0)){let t=u(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);if(t!=null)ce(t,e.current),e.current=x(e.current.nodes);else{let n=e.current.parentNode.placeholders.filter(i=>i.nodes.length!=0);if(n.length==1){let i=n[0].nodes,l=e.current.parentNode.parentPlaceholder,v=l.nodes.indexOf(e.current.parentNode);for(let a of i)a.parentPlaceholder=l;l.nodes.splice(v,1,...i),e.current=x(i)}}}}}else if(e.current instanceof m&&e.current.placeholders[0].nodes.length>0&&e.current.placeholders.slice(1).every(r=>r.nodes.length==0)){let r=e.current.placeholders[0];A(r),e.current=x(r.nodes)}else if(e.current instanceof m&&e.current.placeholders.some(r=>r.nodes.length>0))e.current=x(e.current.placeholders.flatMap(r=>r.nodes)),re(e);else{let r=u(e.current.parentPlaceholder.nodes,e.current);B(e.current.parentPlaceholder.nodes,e.current),e.current=r!=null?r:e.current.parentPlaceholder}}function ce(e,o){B(o.parentNode.parentPlaceholder.nodes,e),o.nodes.push(e);let r=e.parentPlaceholder;e.parentPlaceholder=o,e instanceof P&&G(r.nodes.length-1,r.nodes,o)}function R(e,o){let r=e.indexOf(o);return r!=-1&&r<e.length-1?e[r+1]:null}function J(e){var o;if(e.current instanceof c)if(e.current.parentNode!=null&&e.current.parentNode.placeholders.every(r=>r.nodes.length==0)){let r=u(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);B(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode),e.current=r!=null?r:e.current.parentNode.parentPlaceholder}else{let r=e.current.nodes;if(r.length>0)te(e,r[0]);else if(e.current.parentNode!=null){let t=e.current.parentNode,n=t.placeholders;if(n[0]==e.current&&n.length==2){let i=n[1];e.current=(o=u(t.parentPlaceholder.nodes,t))!=null?o:t.parentPlaceholder,A(i)}else for(let i=n.indexOf(e.current)+1;i<n.length;i++)if(n[i].nodes.length>0){e.current=n[i],J(e);return}}}else{let r=R(e.current.parentPlaceholder.nodes,e.current);r!=null&&te(e,r)}}function te(e,o){o instanceof m?o.placeholders.length==1&&o.placeholders[0].nodes.length>0?A(o.placeholders[0]):o.placeholders.length==2&&o.placeholders[0].nodes.length==0&&o.placeholders[1].nodes.length>0?A(o.placeholders[1]):(e.current=o.placeholders[0],J(e)):B(o.parentPlaceholder.nodes,o)}function j(e){e.selectionDiff=null,e.inclusiveSelectionRightBorder=null,e.inclusiveSelectionLeftBorder=null}function I(e){var r;if(e.selectionDiff==null)throw"Enter selection mode before calling this method.";if(e.selectionDiff==0)return j(e),[];let o=e.selectionDiff;if(e.current instanceof c)return j(e),e.current.nodes.splice(0,o);{let t=e.current.parentPlaceholder.nodes,n=t.indexOf(e.inclusiveSelectionLeftBorder);return e.current=(r=u(t,e.inclusiveSelectionLeftBorder))!=null?r:e.current.parentPlaceholder,j(e),t.splice(n,se(o))}}function se(e){return e<0?-e:e}function ae(e){I(e)}function y(e){var o;if(e.current instanceof c)if(e.current.nodes.length>0){let r=e.current.nodes[0];e.current=r instanceof m?r.placeholders[0]:r}else{if(e.current.parentNode==null)return;e.current=(o=R(e.current.parentNode.placeholders,e.current))!=null?o:e.current.parentNode}else{let r=R(e.current.parentPlaceholder.nodes,e.current);if(r!=null)e.current=r instanceof m?r.placeholders[0]:r;else{let t=e.current.parentPlaceholder.parentNode;if(t!=null){let n=R(t.placeholders,e.current.parentPlaceholder);e.current=n!=null?n:t}}}}function d(e,o){if(o instanceof Array)for(let r of o)d(e,r),e.current=r;else{if(e.current instanceof c)e.current.nodes.unshift(o),o.parentPlaceholder=e.current;else{let r=e.current.parentPlaceholder,t=r.nodes.indexOf(e.current);r.nodes.splice(t+1,0,o),o.parentPlaceholder=r}y(e)}}var N=class extends m{constructor(r,t,...n){let i=n.length+1,l=new Array;for(let v=0;v<i;v++)l.push(new c);super(l);this.before=r,this.then=t,this.rest=n}getLatexPart(r,t){let n=this.before+this.placeholders[0].getLatex(r,t)+this.then;for(let i=0;i<this.rest.length;i++)n+=this.placeholders[i+1].getLatex(r,t)+this.rest[i];return n}};var E=class extends N{constructor(o=String.raw`\left(`,r=String.raw`\right)`){super(o,r)}};function _(e,o){for(let r of e)r.parentPlaceholder=o,o.nodes.push(r)}function q(e,o,r){var n;let t=o.placeholders[0];if(e.current instanceof h){let i=e.current.parentPlaceholder.nodes,l=i.indexOf(e.current);i[l]=o,o.parentPlaceholder=e.current.parentPlaceholder,e.current instanceof E&&(r!=null&&r.deleteOuterRoundBracketsIfAny)?(_(e.current.placeholders[0].nodes,t),e.current=(n=R(o.placeholders,t))!=null?n:o):e.current instanceof P?(t.nodes.push(e.current),e.current.parentPlaceholder=t,G(l,i,t),y(e)):(t.nodes.push(e.current),e.current.parentPlaceholder=t,y(e))}else d(e,o)}function de(e,o){let r=I(e);if(d(e,o),r.length>0){let t=o.placeholders[0];_(r,t),e.current=x(r),y(e)}}function pe(e,o){var n;if(o.placeholders.length<2)throw"Expected 2 placeholders.";let r=I(e),t=o.placeholders[1];_(r,t),q(e,o),e.current=(n=b(r))!=null?n:t}function fe(e){var t;let o=e.current instanceof c?e.current:e.current.parentPlaceholder,r;for(;;){if(o.parentNode==null)return;r=o.parentNode;let n=r.getMoveDownSuggestion(o);if(n!=null){e.current=(t=b(n.nodes))!=null?t:n;return}o=r.parentPlaceholder}}function me(e){var o,r,t;if(e.current instanceof c){if(e.current.parentNode==null)return;let n=u(e.current.parentNode.placeholders,e.current);if(n!==null)e.current=(o=b(n.nodes))!=null?o:n;else{let i=e.current.parentNode.parentPlaceholder,l=u(i.nodes,e.current.parentNode);e.current=l!=null?l:i}}else if(e.current instanceof m){let n=x(e.current.placeholders);e.current=(r=b(n.nodes))!=null?r:n}else e.current=(t=u(e.current.parentPlaceholder.nodes,e.current))!=null?t:e.current.parentPlaceholder}function ue(e){var t;let o=e.current instanceof c?e.current:e.current.parentPlaceholder,r;for(;;){if(o.parentNode==null)return;r=o.parentNode;let n=r.getMoveUpSuggestion(o);if(n!=null){e.current=(t=b(n.nodes))!=null?t:n;return}o=r.parentPlaceholder}}function D(e,o){if(e.selectionDiff=o,o==0)e.inclusiveSelectionLeftBorder=null,e.inclusiveSelectionRightBorder=null;else if(e.current instanceof c)e.inclusiveSelectionLeftBorder=e.current,e.inclusiveSelectionRightBorder=e.current.nodes[o-1];else{let r=e.current.parentPlaceholder.nodes,t=r.indexOf(e.current);if(o>0)e.inclusiveSelectionLeftBorder=r[t+1],e.inclusiveSelectionRightBorder=r[t+o];else{let n=t+o+1;if(n<0)throw"The TreeNode at index 0 of the current Placeholder is as far as you can go left if current is a TreeNode.";e.inclusiveSelectionLeftBorder=r[n],e.inclusiveSelectionRightBorder=e.current}}}function he(e){D(e,0)}function ge(e){return e.selectionDiff!=null}function xe(e){var r;let o=(r=e.selectionDiff)!=null?r:0;e.current instanceof h&&e.current.parentPlaceholder.nodes.indexOf(e.current)+o>=0||e.current instanceof c&&o>0?D(e,o-1):e.inclusiveSelectionLeftBorder instanceof h&&e.inclusiveSelectionLeftBorder.parentPlaceholder.nodes.indexOf(e.inclusiveSelectionLeftBorder)==0&&e.inclusiveSelectionLeftBorder.parentPlaceholder.parentNode!=null&&(e.current=e.inclusiveSelectionLeftBorder.parentPlaceholder.parentNode,D(e,-1))}function Pe(e){var r,t;let o=(r=e.selectionDiff)!=null?r:0;if(e.current instanceof c&&o<e.current.nodes.length||e.current instanceof h&&e.current.parentPlaceholder.nodes.indexOf(e.current)+o<e.current.parentPlaceholder.nodes.length-1)D(e,o+1);else if(e.inclusiveSelectionRightBorder instanceof h&&x(e.inclusiveSelectionRightBorder.parentPlaceholder.nodes)==e.inclusiveSelectionRightBorder&&e.inclusiveSelectionRightBorder.parentPlaceholder.parentNode!=null){let n=e.inclusiveSelectionRightBorder.parentPlaceholder.parentNode;e.current=(t=u(n.parentPlaceholder.nodes,n))!=null?t:n.parentPlaceholder,D(e,1)}}var $=class extends N{getMoveDownSuggestion(o){let r=this.placeholders.indexOf(o);return r>0?this.placeholders[r-1]:null}getMoveUpSuggestion(o){let r=this.placeholders.indexOf(o);return r<this.placeholders.length-1?this.placeholders[r+1]:null}};var F=class extends P{constructor(r="."){super();this.latex=typeof r=="string"?()=>r:r}getLatexPart(r,t){return this.latex()}};var U=class extends N{getMoveDownSuggestion(o){let r=this.placeholders.indexOf(o);return r<this.placeholders.length-1?this.placeholders[r+1]:null}getMoveUpSuggestion(o){let r=this.placeholders.indexOf(o);return r>0?this.placeholders[r-1]:null}};var V=class extends P{constructor(r){super();this.latex=r}getLatexPart(r,t){return this.latex}};var M=class extends W{constructor(r){super();this.latex=typeof r=="string"?()=>r:r}getLatexPart(r,t){return this.latex()}};function T(e,o,r){let t=e.slice(-1),n=r.slice(e.length),i=0;for(let l=0;l<n.length;l++){if(n.substring(l,l+o.length)==o){if(i==0)return{content:n.slice(0,l),rest:n.slice(l+o.length)};i--;continue}let v=["\\"+t,"\\"+o,String.raw`\left`+t,String.raw`\right`+o],a=n.slice(l);for(let f of v)if(a.length>=f.length&&a.startsWith(f)){l+=f.length;continue}n[l]==t&&i++}throw`A closing ${o} is missing.`}var z=class extends m{constructor(r,t,n){let i=[],l=[];for(let v=0;v<n;v++){let a=[];for(let f=0;f<t;f++){let s=new c;a.push(s),l.push(s)}i.push(a)}super(l);this.grid=i,this.matrixType=r,this.width=t}getLatexPart(r,t){let n=String.raw`\begin{${this.matrixType}}`;return n+=this.grid.map(i=>i.map(l=>l.getLatex(r,t)).join(" & ")).join(String.raw` \\ `),n+=String.raw`\end{${this.matrixType}}`,n}getMoveDownSuggestion(r){let{rowIndex:t,columnIndex:n}=this.getPositionOf(r);return t+1<this.grid.length?this.grid[t+1][n]:null}getMoveUpSuggestion(r){let{rowIndex:t,columnIndex:n}=this.getPositionOf(r);return t-1>=0?this.grid[t-1][n]:null}getPositionOf(r){let t=this.placeholders.indexOf(r);if(t==-1)throw"The provided Placeholder is not part of this MatrixNode.";let n=Math.floor(t/this.width),i=t-n*this.width;return{rowIndex:n,columnIndex:i}}};function C(e,o,r){var i;let t=e==null?void 0:e.trim();if(t==null||t=="")return new L;let n=new L;for(;t!="";){if(t[0]==" "){t=t.trimStart();continue}if(t.startsWith(r.decimalSeparator)){d(n,new F(r.decimalSeparator)),t=t.slice(r.decimalSeparator.length);continue}if(["1","2","3","4","5","6","7","8","9","0"].includes(t[0])||(i=r.additionalDigits)!=null&&i.includes(t[0])){d(n,new V(t[0])),t=t.slice(1);continue}let l=!1;if(t.startsWith(String.raw`\begin{`)){let a=T(String.raw`\begin{`,"}",t);if(!a.content.endsWith("matrix")&&!a.content.endsWith("cases"))throw String.raw`Expected a word ending with 'matrix' or 'cases' after '\begin{'.`;let s=a.rest.slice(0,a.rest.indexOf(String.raw`\end{${a.content}}`)).split(String.raw`\\`);d(n,new z(a.content,s[0].split("&").length,s.length));for(let g of s)for(let w of g.split("&")){let O=C(w,o,r).syntaxTreeRoot.nodes;d(n,O),y(n)}let p=String.raw`\end{${a.content}}`;t=t.slice(t.indexOf(p)+p.length);continue}if(r.preferRoundBracketsNode&&(t[0]=="("||t.startsWith(String.raw`\left(`))){let a=t[0]=="("?"(":String.raw`\left(`,f=t[0]=="("?")":String.raw`\right)`,s=new E(a,f);d(n,s);let p=T(a,f,t),g=C(p.content,o,r).syntaxTreeRoot.nodes;d(n,g),n.current=s,t=p.rest;continue}if(t.startsWith("\\")){for(let s of["\\left\\","\\right\\",String.raw`\left`,String.raw`\right`])if(t.startsWith(s)&&!S(t.slice(s.length)[0])){d(n,new M(s+t[s.length])),t=t.slice(s.length+1),l=!0;break}if(l)continue;let a=String.raw`\text{`;if(t.startsWith(a)){let s=T(a,"}",t),p=new N(a,"}");d(n,p);for(let g of s.content)d(n,new M(g));n.current=p,t=s.rest;continue}let f="\\";if(S(t[1])){for(let s=1;s<t.length;s++){let p=t[s];if(S(p))f+=p;else if(p=="{"||p=="["){let g=f+p,w=p=="{"?"}":"]",O=T(g,w,t),Y=C(O.content,o,r).syntaxTreeRoot.nodes;if(O.rest[0]=="{"){let H=new U(g,w+"{","}");d(n,H),d(n,Y),y(n);let Z=T("{","}",O.rest),oe=C(Z.content,o,r).syntaxTreeRoot.nodes;d(n,oe),n.current=H,t=Z.rest}else{let H=new N(g,w);d(n,H),d(n,Y),n.current=H,t=O.rest}l=!0;break}else break}if(l)continue;d(n,new M(f)),t=t.slice(f.length)}else d(n,new M("\\"+t[1])),t=t.slice(2);continue}if(t.startsWith("_{")){let a="_{",s=T(a,"}",t);if(s.rest.startsWith("^{")){let p=new $(a,"}^{","}");d(n,p);let g=C(s.content,o,r).syntaxTreeRoot.nodes;d(n,g),y(n);let w=T("^{","}",s.rest),O=C(w.content,o,r).syntaxTreeRoot.nodes;d(n,O),n.current=p,t=w.rest;continue}}let v=[["^{",()=>new $("","^{","}")],["_{",()=>new U("","_{","}")]];for(let a of v){let f=a[0];if(t.startsWith(f)){let s=a[1]();q(n,s);let p=T(f,"}",t),g=C(p.content,o,r).syntaxTreeRoot.nodes;d(n,g),n.current=s,t=p.rest,l=!0;break}}l!=!0&&(d(n,new M(t[0])),t=t.slice(1))}return n}var Q=class{constructor(){this.additionalDigits=null;this.decimalSeparator=".";this.preferRoundBracketsNode=!0}};var X=class{constructor(){this.activePlaceholderShape=String.raw`\blacksquare`;this.passivePlaceholderShape=String.raw`\square`;this.selectionHightlightStart=String.raw`\colorbox{#ADD8E6}{\(\displaystyle`;this.selectionHightlightEnd=String.raw`\)}`}get activePlaceholderLatex(){return this.activePlaceholderColor==null?this.activePlaceholderShape:String.raw`{\color{${this.activePlaceholderColor}}${this.activePlaceholderShape}}`}get passivePlaceholderLatex(){return this.passivePlaceholderColor==null?this.passivePlaceholderShape:String.raw`{\color{${this.passivePlaceholderColor}}${this.passivePlaceholderShape}}`}};export{$ as AscendingBranchingNode,m as BranchingNode,F as DecimalSeparatorNode,U as DescendingBranchingNode,V as DigitNode,L as KeyboardMemory,X as LatexConfiguration,Q as LatexParserConfiguration,W as LeafNode,z as MatrixNode,c as Placeholder,E as RoundBracketsNode,N as StandardBranchingNode,M as StandardLeafNode,h as TreeNode,re as deleteLeft,J as deleteRight,ae as deleteSelection,he as enterSelectionMode,ne as getEditModeLatex,le as getViewModeLatex,ge as inSelectionMode,d as insert,q as insertWithEncapsulateCurrent,de as insertWithEncapsulateSelection,pe as insertWithEncapsulateSelectionAndPrevious,j as leaveSelectionMode,fe as moveDown,me as moveLeft,y as moveRight,ue as moveUp,C as parseLatex,xe as selectLeft,Pe as selectRight};

86

dist/MathKeyboardEngine.es2020-esm.js

@@ -810,8 +810,8 @@ // src/GetLatex/getEditModeLatex.ts

}
if (latexParserConfiguration.useRoundBracketsNode && (x[0] == "(" || x.startsWith(String.raw`\left(`))) {
if (latexParserConfiguration.preferRoundBracketsNode && (x[0] == "(" || x.startsWith(String.raw`\left(`))) {
const opening = x[0] == "(" ? "(" : String.raw`\left(`;
const closing = x[0] == "(" ? ")" : String.raw`\right)`;
const bracketsContentAndRest = getBracketPairContent(opening, closing, x);
const bracketsNode = new RoundBracketsNode(opening, closing);
insert(k, bracketsNode);
const bracketsContentAndRest = getBracketPairContent(opening, closing, x);
const bracketsContentNodes = parseLatex(bracketsContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;

@@ -825,3 +825,3 @@ insert(k, bracketsContentNodes);

for (const prefix of ["\\left\\", "\\right\\", String.raw`\left`, String.raw`\right`]) {
if (x.startsWith(prefix)) {
if (x.startsWith(prefix) && !isLetter(x.slice(prefix.length)[0])) {
insert(k, new StandardLeafNode(prefix + x[prefix.length]));

@@ -836,29 +836,2 @@ x = x.slice(prefix.length + 1);

}
for (const commandWithBrackets of latexParserConfiguration.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets) {
const opening = commandWithBrackets.slice(0, -3);
const closingBracket1 = commandWithBrackets.slice(-3, -2);
const openingBracket2 = commandWithBrackets.slice(-2, -1);
const closingBracket2 = commandWithBrackets.slice(-1);
if (x.startsWith(opening)) {
const numeratorAndRest = getBracketPairContent(opening, closingBracket1, x);
if (numeratorAndRest.rest[0] != openingBracket2) {
continue;
}
const node = new DescendingBranchingNode(opening, closingBracket1 + openingBracket2, closingBracket2);
insert(k, node);
const numeratorNodes = parseLatex(numeratorAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, numeratorNodes);
moveRight(k);
const denominatorAndRest = getBracketPairContent(openingBracket2, closingBracket2, numeratorAndRest.rest);
const denominatorNodes = parseLatex(denominatorAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, denominatorNodes);
k.current = node;
x = denominatorAndRest.rest;
handled = true;
break;
}
}
if (handled) {
continue;
}
const textOpening = String.raw`\text{`;

@@ -882,12 +855,24 @@ if (x.startsWith(textOpening)) {

command += character;
} else if (character == "{") {
command += character;
const opening = command;
const bracketPairContentAndRest = getBracketPairContent(opening, "}", x);
const placeholderContent = parseLatex(bracketPairContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
const branchingNode = new StandardBranchingNode(opening, "}");
insert(k, branchingNode);
insert(k, placeholderContent);
k.current = branchingNode;
x = bracketPairContentAndRest.rest;
} else if (character == "{" || character == "[") {
const opening = command + character;
const closingBracket1 = character == "{" ? "}" : "]";
const bracketPair1ContentAndRest = getBracketPairContent(opening, closingBracket1, x);
const placeholder1Nodes = parseLatex(bracketPair1ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
if (bracketPair1ContentAndRest.rest[0] == "{") {
const multiPlaceholderBranchingNode = new DescendingBranchingNode(opening, closingBracket1 + "{", "}");
insert(k, multiPlaceholderBranchingNode);
insert(k, placeholder1Nodes);
moveRight(k);
const bracketPair2ContentAndRest = getBracketPairContent("{", "}", bracketPair1ContentAndRest.rest);
const placeholder2Nodes = parseLatex(bracketPair2ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder2Nodes);
k.current = multiPlaceholderBranchingNode;
x = bracketPair2ContentAndRest.rest;
} else {
const singlePlaceholderBranchingNode = new StandardBranchingNode(opening, closingBracket1);
insert(k, singlePlaceholderBranchingNode);
insert(k, placeholder1Nodes);
k.current = singlePlaceholderBranchingNode;
x = bracketPair1ContentAndRest.rest;
}
handled = true;

@@ -910,2 +895,20 @@ break;

}
if (x.startsWith("_{")) {
const opening = "_{";
const closingBracket1 = "}";
const bracketPair1ContentAndRest = getBracketPairContent(opening, closingBracket1, x);
if (bracketPair1ContentAndRest.rest.startsWith("^{")) {
const ascendingBranchingNode = new AscendingBranchingNode(opening, "}^{", "}");
insert(k, ascendingBranchingNode);
const placeholder1Nodes = parseLatex(bracketPair1ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder1Nodes);
moveRight(k);
const bracketPair2ContentAndRest = getBracketPairContent("^{", "}", bracketPair1ContentAndRest.rest);
const placeholder2Nodes = parseLatex(bracketPair2ContentAndRest.content, latexConfiguration, latexParserConfiguration).syntaxTreeRoot.nodes;
insert(k, placeholder2Nodes);
k.current = ascendingBranchingNode;
x = bracketPair2ContentAndRest.rest;
continue;
}
}
const various = [

@@ -944,4 +947,3 @@ ["^{", () => new AscendingBranchingNode("", "^{", "}")],

this.decimalSeparator = ".";
this.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets = [];
this.useRoundBracketsNode = true;
this.preferRoundBracketsNode = true;
}

@@ -948,0 +950,0 @@ };

2

dist/MathKeyboardEngine.es2020-esm.min.js

@@ -1,1 +0,1 @@

function ne(e,r){return e.syntaxTreeRoot.getLatex(e,r)}function M(e){return e.toLowerCase()!=e.toUpperCase()}function Z(e){if(e.length==0)return!1;if(M(e[e.length-1]))for(let r=e.length-2;r>=0;r--){let t=e[r];if(!M(t))return t=="\\"}return!1}function T(...e){let r="";for(let t=0;t<e.length;t++){let o=e[t];Z(r)&&M(o[0])&&(r+=" "),r+=o}return r}var c=class{constructor(){this.parentNode=null;this.nodes=[]}getLatex(r,t){let o=()=>T(...this.nodes.map(n=>n.getLatex(r,t)));return r.inclusiveSelectionLeftBorder===this?T(t.selectionHightlightStart,o()):this===r.current?this.nodes.length==0?t.activePlaceholderLatex:T(t.activePlaceholderLatex,o()):this.nodes.length==0?t.passivePlaceholderLatex:o()}};var b=class{constructor(){this.syntaxTreeRoot=new c;this.current=this.syntaxTreeRoot;this.selectionDiff=null;this.inclusiveSelectionRightBorder=null;this.inclusiveSelectionLeftBorder=null}};var ie=new b;function le(e,r){return(e instanceof b?e.syntaxTreeRoot:e).getLatex(ie,r)}function k(e,r){let t=!1;for(let o=e.length-1;o>=0;o--){let n=e[o];if(!t){n===r&&(t=!0);continue}if(n.nodes.length>0)return n}return null}function N(e){return e.length==0?null:e[e.length-1]}function u(e,r){let t=e.indexOf(r);return t>0?e[t-1]:null}function S(e,r){let t=e.indexOf(r);e.splice(t,1)}var h=class{getLatex(r,t){let o=this.getLatexPart(r,t);return r.selectionDiff!=null&&r.selectionDiff!=0?(r.inclusiveSelectionLeftBorder===this&&(o=T(t.selectionHightlightStart,o)),r.inclusiveSelectionRightBorder===this&&(o=T(o,t.selectionHightlightEnd)),o):r.current===this?T(o,t.activePlaceholderLatex):o}};var m=class extends h{constructor(t){super();this.placeholders=t,this.placeholders.forEach(o=>{o.parentNode=this})}getMoveDownSuggestion(t){return null}getMoveUpSuggestion(t){return null}};function x(e){return e[e.length-1]}var R=class extends h{};var P=class extends R{};function z(e,r,t){for(let o=e-1;o>=0;o--){let n=r[o];if(n instanceof P)S(r,n),t.nodes.unshift(n),n.parentPlaceholder=t;else break}}function D(e){let r=e.parentNode,t=r.parentPlaceholder.nodes.indexOf(r);r.parentPlaceholder.nodes.splice(t,1,...e.nodes);for(let o of e.nodes)o.parentPlaceholder=r.parentPlaceholder}function ee(e){if(e.current instanceof c){if(e.current.parentNode==null||e.current.nodes.length>0)return;{let r=k(e.current.parentNode.placeholders,e.current);if(r)e.current.parentNode.placeholders.length==2&&e.current===e.current.parentNode.placeholders[1]&&e.current.nodes.length==0?(D(r),e.current=x(r.nodes)):(r.nodes.pop(),e.current=N(r.nodes)??r);else if(e.current.parentNode.placeholders.every(t=>t.nodes.length==0)){let t=e.current.parentNode.parentPlaceholder,o=u(t.nodes,e.current.parentNode);S(t.nodes,e.current.parentNode),e.current=o??t}else if(e.current.parentNode.placeholders[0]===e.current&&e.current.nodes.length==0&&e.current.parentNode.placeholders.some(t=>t.nodes.length!=0)){let t=u(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);if(t!=null)ce(t,e.current),e.current=x(e.current.nodes);else{let o=e.current.parentNode.placeholders.filter(n=>n.nodes.length!=0);if(o.length==1){let n=o[0].nodes,i=e.current.parentNode.parentPlaceholder,p=i.nodes.indexOf(e.current.parentNode);for(let s of n)s.parentPlaceholder=i;i.nodes.splice(p,1,...n),e.current=x(n)}}}}}else if(e.current instanceof m&&e.current.placeholders[0].nodes.length>0&&e.current.placeholders.slice(1).every(r=>r.nodes.length==0)){let r=e.current.placeholders[0];D(r),e.current=x(r.nodes)}else if(e.current instanceof m&&e.current.placeholders.some(r=>r.nodes.length>0))e.current=x(e.current.placeholders.flatMap(r=>r.nodes)),ee(e);else{let r=u(e.current.parentPlaceholder.nodes,e.current);S(e.current.parentPlaceholder.nodes,e.current),e.current=r??e.current.parentPlaceholder}}function ce(e,r){S(r.parentNode.parentPlaceholder.nodes,e),r.nodes.push(e);let t=e.parentPlaceholder;e.parentPlaceholder=r,e instanceof P&&z(t.nodes.length-1,t.nodes,r)}function O(e,r){let t=e.indexOf(r);return t!=-1&&t<e.length-1?e[t+1]:null}function G(e){if(e.current instanceof c)if(e.current.parentNode!=null&&e.current.parentNode.placeholders.every(r=>r.nodes.length==0)){let r=u(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);S(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode),e.current=r??e.current.parentNode.parentPlaceholder}else{let r=e.current.nodes;if(r.length>0)re(e,r[0]);else if(e.current.parentNode!=null){let t=e.current.parentNode,o=t.placeholders;if(o[0]==e.current&&o.length==2){let n=o[1];e.current=u(t.parentPlaceholder.nodes,t)??t.parentPlaceholder,D(n)}else for(let n=o.indexOf(e.current)+1;n<o.length;n++)if(o[n].nodes.length>0){e.current=o[n],G(e);return}}}else{let r=O(e.current.parentPlaceholder.nodes,e.current);r!=null&&re(e,r)}}function re(e,r){r instanceof m?r.placeholders.length==1&&r.placeholders[0].nodes.length>0?D(r.placeholders[0]):r.placeholders.length==2&&r.placeholders[0].nodes.length==0&&r.placeholders[1].nodes.length>0?D(r.placeholders[1]):(e.current=r.placeholders[0],G(e)):S(r.parentPlaceholder.nodes,r)}function U(e){e.selectionDiff=null,e.inclusiveSelectionRightBorder=null,e.inclusiveSelectionLeftBorder=null}function I(e){if(e.selectionDiff==null)throw"Enter selection mode before calling this method.";if(e.selectionDiff==0)return U(e),[];let r=e.selectionDiff;if(e.current instanceof c)return U(e),e.current.nodes.splice(0,r);{let t=e.current.parentPlaceholder.nodes,o=t.indexOf(e.inclusiveSelectionLeftBorder);return e.current=u(t,e.inclusiveSelectionLeftBorder)??e.current.parentPlaceholder,U(e),t.splice(o,se(r))}}function se(e){return e<0?-e:e}function ae(e){I(e)}function v(e){if(e.current instanceof c)if(e.current.nodes.length>0){let r=e.current.nodes[0];e.current=r instanceof m?r.placeholders[0]:r}else{if(e.current.parentNode==null)return;e.current=O(e.current.parentNode.placeholders,e.current)??e.current.parentNode}else{let r=O(e.current.parentPlaceholder.nodes,e.current);if(r!=null)e.current=r instanceof m?r.placeholders[0]:r;else{let t=e.current.parentPlaceholder.parentNode;if(t!=null){let o=O(t.placeholders,e.current.parentPlaceholder);e.current=o??t}}}}function a(e,r){if(r instanceof Array)for(let t of r)a(e,t),e.current=t;else{if(e.current instanceof c)e.current.nodes.unshift(r),r.parentPlaceholder=e.current;else{let t=e.current.parentPlaceholder,o=t.nodes.indexOf(e.current);t.nodes.splice(o+1,0,r),r.parentPlaceholder=t}v(e)}}var y=class extends m{constructor(t,o,...n){let i=n.length+1,p=new Array;for(let s=0;s<i;s++)p.push(new c);super(p);this.before=t,this.then=o,this.rest=n}getLatexPart(t,o){let n=this.before+this.placeholders[0].getLatex(t,o)+this.then;for(let i=0;i<this.rest.length;i++)n+=this.placeholders[i+1].getLatex(t,o)+this.rest[i];return n}};var C=class extends y{constructor(r=String.raw`\left(`,t=String.raw`\right)`){super(r,t)}};function _(e,r){for(let t of e)t.parentPlaceholder=r,r.nodes.push(t)}function H(e,r,t){let o=r.placeholders[0];if(e.current instanceof h){let n=e.current.parentPlaceholder.nodes,i=n.indexOf(e.current);n[i]=r,r.parentPlaceholder=e.current.parentPlaceholder,e.current instanceof C&&t?.deleteOuterRoundBracketsIfAny?(_(e.current.placeholders[0].nodes,o),e.current=O(r.placeholders,o)??r):e.current instanceof P?(o.nodes.push(e.current),e.current.parentPlaceholder=o,z(i,n,o),v(e)):(o.nodes.push(e.current),e.current.parentPlaceholder=o,v(e))}else a(e,r)}function de(e,r){let t=I(e);if(a(e,r),t.length>0){let o=r.placeholders[0];_(t,o),e.current=x(t),v(e)}}function pe(e,r){if(r.placeholders.length<2)throw"Expected 2 placeholders.";let t=I(e),o=r.placeholders[1];_(t,o),H(e,r),e.current=N(t)??o}function fe(e){let r=e.current instanceof c?e.current:e.current.parentPlaceholder,t;for(;;){if(r.parentNode==null)return;t=r.parentNode;let o=t.getMoveDownSuggestion(r);if(o!=null){e.current=N(o.nodes)??o;return}r=t.parentPlaceholder}}function me(e){if(e.current instanceof c){if(e.current.parentNode==null)return;let r=u(e.current.parentNode.placeholders,e.current);if(r!==null)e.current=N(r.nodes)??r;else{let t=e.current.parentNode.parentPlaceholder,o=u(t.nodes,e.current.parentNode);e.current=o??t}}else if(e.current instanceof m){let r=x(e.current.placeholders);e.current=N(r.nodes)??r}else e.current=u(e.current.parentPlaceholder.nodes,e.current)??e.current.parentPlaceholder}function ue(e){let r=e.current instanceof c?e.current:e.current.parentPlaceholder,t;for(;;){if(r.parentNode==null)return;t=r.parentNode;let o=t.getMoveUpSuggestion(r);if(o!=null){e.current=N(o.nodes)??o;return}r=t.parentPlaceholder}}function w(e,r){if(e.selectionDiff=r,r==0)e.inclusiveSelectionLeftBorder=null,e.inclusiveSelectionRightBorder=null;else if(e.current instanceof c)e.inclusiveSelectionLeftBorder=e.current,e.inclusiveSelectionRightBorder=e.current.nodes[r-1];else{let t=e.current.parentPlaceholder.nodes,o=t.indexOf(e.current);if(r>0)e.inclusiveSelectionLeftBorder=t[o+1],e.inclusiveSelectionRightBorder=t[o+r];else{let n=o+r+1;if(n<0)throw"The TreeNode at index 0 of the current Placeholder is as far as you can go left if current is a TreeNode.";e.inclusiveSelectionLeftBorder=t[n],e.inclusiveSelectionRightBorder=e.current}}}function he(e){w(e,0)}function ge(e){return e.selectionDiff!=null}function xe(e){let r=e.selectionDiff??0;e.current instanceof h&&e.current.parentPlaceholder.nodes.indexOf(e.current)+r>=0||e.current instanceof c&&r>0?w(e,r-1):e.inclusiveSelectionLeftBorder instanceof h&&e.inclusiveSelectionLeftBorder.parentPlaceholder.nodes.indexOf(e.inclusiveSelectionLeftBorder)==0&&e.inclusiveSelectionLeftBorder.parentPlaceholder.parentNode!=null&&(e.current=e.inclusiveSelectionLeftBorder.parentPlaceholder.parentNode,w(e,-1))}function Pe(e){let r=e.selectionDiff??0;if(e.current instanceof c&&r<e.current.nodes.length||e.current instanceof h&&e.current.parentPlaceholder.nodes.indexOf(e.current)+r<e.current.parentPlaceholder.nodes.length-1)w(e,r+1);else if(e.inclusiveSelectionRightBorder instanceof h&&x(e.inclusiveSelectionRightBorder.parentPlaceholder.nodes)==e.inclusiveSelectionRightBorder&&e.inclusiveSelectionRightBorder.parentPlaceholder.parentNode!=null){let t=e.inclusiveSelectionRightBorder.parentPlaceholder.parentNode;e.current=u(t.parentPlaceholder.nodes,t)??t.parentPlaceholder,w(e,1)}}var j=class extends y{getMoveDownSuggestion(r){let t=this.placeholders.indexOf(r);return t>0?this.placeholders[t-1]:null}getMoveUpSuggestion(r){let t=this.placeholders.indexOf(r);return t<this.placeholders.length-1?this.placeholders[t+1]:null}};var q=class extends P{constructor(t="."){super();this.latex=typeof t=="string"?()=>t:t}getLatexPart(t,o){return this.latex()}};var $=class extends y{getMoveDownSuggestion(r){let t=this.placeholders.indexOf(r);return t<this.placeholders.length-1?this.placeholders[t+1]:null}getMoveUpSuggestion(r){let t=this.placeholders.indexOf(r);return t>0?this.placeholders[t-1]:null}};var F=class extends P{constructor(t){super();this.latex=t}getLatexPart(t,o){return this.latex}};var L=class extends R{constructor(t){super();this.latex=typeof t=="string"?()=>t:t}getLatexPart(t,o){return this.latex()}};function K(e,r,t){let o=e.slice(-1),n=t.slice(e.length),i=0;for(let p=0;p<n.length;p++){if(n.substring(p,p+r.length)==r){if(i==0)return{content:n.slice(0,p),rest:n.slice(p+r.length)};i--;continue}let s=["\\"+o,"\\"+r,String.raw`\left`+o,String.raw`\right`+r],f=n.slice(p);for(let l of s)if(f.length>=l.length&&f.startsWith(l)){p+=l.length;continue}n[p]==o&&i++}throw`A closing ${r} is missing.`}var V=class extends m{constructor(t,o,n){let i=[],p=[];for(let s=0;s<n;s++){let f=[];for(let l=0;l<o;l++){let d=new c;f.push(d),p.push(d)}i.push(f)}super(p);this.grid=i,this.matrixType=t,this.width=o}getLatexPart(t,o){let n=String.raw`\begin{${this.matrixType}}`;return n+=this.grid.map(i=>i.map(p=>p.getLatex(t,o)).join(" & ")).join(String.raw` \\ `),n+=String.raw`\end{${this.matrixType}}`,n}getMoveDownSuggestion(t){let{rowIndex:o,columnIndex:n}=this.getPositionOf(t);return o+1<this.grid.length?this.grid[o+1][n]:null}getMoveUpSuggestion(t){let{rowIndex:o,columnIndex:n}=this.getPositionOf(t);return o-1>=0?this.grid[o-1][n]:null}getPositionOf(t){let o=this.placeholders.indexOf(t);if(o==-1)throw"The provided Placeholder is not part of this MatrixNode.";let n=Math.floor(o/this.width),i=o-n*this.width;return{rowIndex:n,columnIndex:i}}};function W(e,r,t){let o=e?.trim();if(o==null||o=="")return new b;let n=new b;for(;o!="";){if(o[0]==" "){o=o.trimStart();continue}if(o.startsWith(t.decimalSeparator)){a(n,new q(t.decimalSeparator)),o=o.slice(t.decimalSeparator.length);continue}if(["1","2","3","4","5","6","7","8","9","0"].includes(o[0])||t.additionalDigits?.includes(o[0])){a(n,new F(o[0])),o=o.slice(1);continue}let i=!1;if(o.startsWith(String.raw`\begin{`)){let s=K(String.raw`\begin{`,"}",o);if(!s.content.endsWith("matrix")&&!s.content.endsWith("cases"))throw String.raw`Expected a word ending with 'matrix' or 'cases' after '\begin{'.`;let l=s.rest.slice(0,s.rest.indexOf(String.raw`\end{${s.content}}`)).split(String.raw`\\`);a(n,new V(s.content,l[0].split("&").length,l.length));for(let g of l)for(let B of g.split("&")){let A=W(B,r,t).syntaxTreeRoot.nodes;a(n,A),v(n)}let d=String.raw`\end{${s.content}}`;o=o.slice(o.indexOf(d)+d.length);continue}if(t.useRoundBracketsNode&&(o[0]=="("||o.startsWith(String.raw`\left(`))){let s=o[0]=="("?"(":String.raw`\left(`,f=o[0]=="("?")":String.raw`\right)`,l=K(s,f,o),d=new C(s,f);a(n,d);let g=W(l.content,r,t).syntaxTreeRoot.nodes;a(n,g),n.current=d,o=l.rest;continue}if(o.startsWith("\\")){for(let l of["\\left\\","\\right\\",String.raw`\left`,String.raw`\right`])if(o.startsWith(l)){a(n,new L(l+o[l.length])),o=o.slice(l.length+1),i=!0;break}if(i)continue;for(let l of t.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets){let d=l.slice(0,-3),g=l.slice(-3,-2),B=l.slice(-2,-1),A=l.slice(-1);if(o.startsWith(d)){let E=K(d,g,o);if(E.rest[0]!=B)continue;let X=new $(d,g+B,A);a(n,X);let te=W(E.content,r,t).syntaxTreeRoot.nodes;a(n,te),v(n);let Y=K(B,A,E.rest),oe=W(Y.content,r,t).syntaxTreeRoot.nodes;a(n,oe),n.current=X,o=Y.rest,i=!0;break}}if(i)continue;let s=String.raw`\text{`;if(o.startsWith(s)){let l=K(s,"}",o),d=new y(s,"}");a(n,d);for(let g of l.content)a(n,new L(g));n.current=d,o=l.rest;continue}let f="\\";if(M(o[1])){for(let l=1;l<o.length;l++){let d=o[l];if(M(d))f+=d;else if(d=="{"){f+=d;let g=f,B=K(g,"}",o),A=W(B.content,r,t).syntaxTreeRoot.nodes,E=new y(g,"}");a(n,E),a(n,A),n.current=E,o=B.rest,i=!0;break}else break}if(i)continue;a(n,new L(f)),o=o.slice(f.length)}else a(n,new L("\\"+o[1])),o=o.slice(2);continue}let p=[["^{",()=>new j("","^{","}")],["_{",()=>new $("","_{","}")]];for(let s of p){let f=s[0];if(o.startsWith(f)){let l=s[1]();H(n,l);let d=K(f,"}",o),g=W(d.content,r,t).syntaxTreeRoot.nodes;a(n,g),n.current=l,o=d.rest,i=!0;break}}i!=!0&&(a(n,new L(o[0])),o=o.slice(1))}return n}var J=class{constructor(){this.additionalDigits=null;this.decimalSeparator=".";this.descendingBranchingNodeSlashCommandsWithTwoPairsOfBrackets=[];this.useRoundBracketsNode=!0}};var Q=class{constructor(){this.activePlaceholderShape=String.raw`\blacksquare`;this.passivePlaceholderShape=String.raw`\square`;this.selectionHightlightStart=String.raw`\colorbox{#ADD8E6}{\(\displaystyle`;this.selectionHightlightEnd=String.raw`\)}`}get activePlaceholderLatex(){return this.activePlaceholderColor==null?this.activePlaceholderShape:String.raw`{\color{${this.activePlaceholderColor}}${this.activePlaceholderShape}}`}get passivePlaceholderLatex(){return this.passivePlaceholderColor==null?this.passivePlaceholderShape:String.raw`{\color{${this.passivePlaceholderColor}}${this.passivePlaceholderShape}}`}};export{j as AscendingBranchingNode,m as BranchingNode,q as DecimalSeparatorNode,$ as DescendingBranchingNode,F as DigitNode,b as KeyboardMemory,Q as LatexConfiguration,J as LatexParserConfiguration,R as LeafNode,V as MatrixNode,c as Placeholder,C as RoundBracketsNode,y as StandardBranchingNode,L as StandardLeafNode,h as TreeNode,ee as deleteLeft,G as deleteRight,ae as deleteSelection,he as enterSelectionMode,ne as getEditModeLatex,le as getViewModeLatex,ge as inSelectionMode,a as insert,H as insertWithEncapsulateCurrent,de as insertWithEncapsulateSelection,pe as insertWithEncapsulateSelectionAndPrevious,U as leaveSelectionMode,fe as moveDown,me as moveLeft,v as moveRight,ue as moveUp,W as parseLatex,xe as selectLeft,Pe as selectRight};
function oe(e,r){return e.syntaxTreeRoot.getLatex(e,r)}function b(e){return e.toLowerCase()!=e.toUpperCase()}function Z(e){if(e.length==0)return!1;if(b(e[e.length-1]))for(let r=e.length-2;r>=0;r--){let t=e[r];if(!b(t))return t=="\\"}return!1}function w(...e){let r="";for(let t=0;t<e.length;t++){let o=e[t];Z(r)&&b(o[0])&&(r+=" "),r+=o}return r}var c=class{constructor(){this.parentNode=null;this.nodes=[]}getLatex(r,t){let o=()=>w(...this.nodes.map(n=>n.getLatex(r,t)));return r.inclusiveSelectionLeftBorder===this?w(t.selectionHightlightStart,o()):this===r.current?this.nodes.length==0?t.activePlaceholderLatex:w(t.activePlaceholderLatex,o()):this.nodes.length==0?t.passivePlaceholderLatex:o()}};var S=class{constructor(){this.syntaxTreeRoot=new c;this.current=this.syntaxTreeRoot;this.selectionDiff=null;this.inclusiveSelectionRightBorder=null;this.inclusiveSelectionLeftBorder=null}};var ne=new S;function ie(e,r){return(e instanceof S?e.syntaxTreeRoot:e).getLatex(ne,r)}function k(e,r){let t=!1;for(let o=e.length-1;o>=0;o--){let n=e[o];if(!t){n===r&&(t=!0);continue}if(n.nodes.length>0)return n}return null}function v(e){return e.length==0?null:e[e.length-1]}function u(e,r){let t=e.indexOf(r);return t>0?e[t-1]:null}function L(e,r){let t=e.indexOf(r);e.splice(t,1)}var h=class{getLatex(r,t){let o=this.getLatexPart(r,t);return r.selectionDiff!=null&&r.selectionDiff!=0?(r.inclusiveSelectionLeftBorder===this&&(o=w(t.selectionHightlightStart,o)),r.inclusiveSelectionRightBorder===this&&(o=w(o,t.selectionHightlightEnd)),o):r.current===this?w(o,t.activePlaceholderLatex):o}};var m=class extends h{constructor(t){super();this.placeholders=t,this.placeholders.forEach(o=>{o.parentNode=this})}getMoveDownSuggestion(t){return null}getMoveUpSuggestion(t){return null}};function x(e){return e[e.length-1]}var C=class extends h{};var P=class extends C{};function z(e,r,t){for(let o=e-1;o>=0;o--){let n=r[o];if(n instanceof P)L(r,n),t.nodes.unshift(n),n.parentPlaceholder=t;else break}}function W(e){let r=e.parentNode,t=r.parentPlaceholder.nodes.indexOf(r);r.parentPlaceholder.nodes.splice(t,1,...e.nodes);for(let o of e.nodes)o.parentPlaceholder=r.parentPlaceholder}function ee(e){if(e.current instanceof c){if(e.current.parentNode==null||e.current.nodes.length>0)return;{let r=k(e.current.parentNode.placeholders,e.current);if(r)e.current.parentNode.placeholders.length==2&&e.current===e.current.parentNode.placeholders[1]&&e.current.nodes.length==0?(W(r),e.current=x(r.nodes)):(r.nodes.pop(),e.current=v(r.nodes)??r);else if(e.current.parentNode.placeholders.every(t=>t.nodes.length==0)){let t=e.current.parentNode.parentPlaceholder,o=u(t.nodes,e.current.parentNode);L(t.nodes,e.current.parentNode),e.current=o??t}else if(e.current.parentNode.placeholders[0]===e.current&&e.current.nodes.length==0&&e.current.parentNode.placeholders.some(t=>t.nodes.length!=0)){let t=u(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);if(t!=null)le(t,e.current),e.current=x(e.current.nodes);else{let o=e.current.parentNode.placeholders.filter(n=>n.nodes.length!=0);if(o.length==1){let n=o[0].nodes,l=e.current.parentNode.parentPlaceholder,p=l.nodes.indexOf(e.current.parentNode);for(let s of n)s.parentPlaceholder=l;l.nodes.splice(p,1,...n),e.current=x(n)}}}}}else if(e.current instanceof m&&e.current.placeholders[0].nodes.length>0&&e.current.placeholders.slice(1).every(r=>r.nodes.length==0)){let r=e.current.placeholders[0];W(r),e.current=x(r.nodes)}else if(e.current instanceof m&&e.current.placeholders.some(r=>r.nodes.length>0))e.current=x(e.current.placeholders.flatMap(r=>r.nodes)),ee(e);else{let r=u(e.current.parentPlaceholder.nodes,e.current);L(e.current.parentPlaceholder.nodes,e.current),e.current=r??e.current.parentPlaceholder}}function le(e,r){L(r.parentNode.parentPlaceholder.nodes,e),r.nodes.push(e);let t=e.parentPlaceholder;e.parentPlaceholder=r,e instanceof P&&z(t.nodes.length-1,t.nodes,r)}function K(e,r){let t=e.indexOf(r);return t!=-1&&t<e.length-1?e[t+1]:null}function G(e){if(e.current instanceof c)if(e.current.parentNode!=null&&e.current.parentNode.placeholders.every(r=>r.nodes.length==0)){let r=u(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode);L(e.current.parentNode.parentPlaceholder.nodes,e.current.parentNode),e.current=r??e.current.parentNode.parentPlaceholder}else{let r=e.current.nodes;if(r.length>0)re(e,r[0]);else if(e.current.parentNode!=null){let t=e.current.parentNode,o=t.placeholders;if(o[0]==e.current&&o.length==2){let n=o[1];e.current=u(t.parentPlaceholder.nodes,t)??t.parentPlaceholder,W(n)}else for(let n=o.indexOf(e.current)+1;n<o.length;n++)if(o[n].nodes.length>0){e.current=o[n],G(e);return}}}else{let r=K(e.current.parentPlaceholder.nodes,e.current);r!=null&&re(e,r)}}function re(e,r){r instanceof m?r.placeholders.length==1&&r.placeholders[0].nodes.length>0?W(r.placeholders[0]):r.placeholders.length==2&&r.placeholders[0].nodes.length==0&&r.placeholders[1].nodes.length>0?W(r.placeholders[1]):(e.current=r.placeholders[0],G(e)):L(r.parentPlaceholder.nodes,r)}function H(e){e.selectionDiff=null,e.inclusiveSelectionRightBorder=null,e.inclusiveSelectionLeftBorder=null}function E(e){if(e.selectionDiff==null)throw"Enter selection mode before calling this method.";if(e.selectionDiff==0)return H(e),[];let r=e.selectionDiff;if(e.current instanceof c)return H(e),e.current.nodes.splice(0,r);{let t=e.current.parentPlaceholder.nodes,o=t.indexOf(e.inclusiveSelectionLeftBorder);return e.current=u(t,e.inclusiveSelectionLeftBorder)??e.current.parentPlaceholder,H(e),t.splice(o,ce(r))}}function ce(e){return e<0?-e:e}function se(e){E(e)}function N(e){if(e.current instanceof c)if(e.current.nodes.length>0){let r=e.current.nodes[0];e.current=r instanceof m?r.placeholders[0]:r}else{if(e.current.parentNode==null)return;e.current=K(e.current.parentNode.placeholders,e.current)??e.current.parentNode}else{let r=K(e.current.parentPlaceholder.nodes,e.current);if(r!=null)e.current=r instanceof m?r.placeholders[0]:r;else{let t=e.current.parentPlaceholder.parentNode;if(t!=null){let o=K(t.placeholders,e.current.parentPlaceholder);e.current=o??t}}}}function a(e,r){if(r instanceof Array)for(let t of r)a(e,t),e.current=t;else{if(e.current instanceof c)e.current.nodes.unshift(r),r.parentPlaceholder=e.current;else{let t=e.current.parentPlaceholder,o=t.nodes.indexOf(e.current);t.nodes.splice(o+1,0,r),r.parentPlaceholder=t}N(e)}}var y=class extends m{constructor(t,o,...n){let l=n.length+1,p=new Array;for(let s=0;s<l;s++)p.push(new c);super(p);this.before=t,this.then=o,this.rest=n}getLatexPart(t,o){let n=this.before+this.placeholders[0].getLatex(t,o)+this.then;for(let l=0;l<this.rest.length;l++)n+=this.placeholders[l+1].getLatex(t,o)+this.rest[l];return n}};var A=class extends y{constructor(r=String.raw`\left(`,t=String.raw`\right)`){super(r,t)}};function I(e,r){for(let t of e)t.parentPlaceholder=r,r.nodes.push(t)}function j(e,r,t){let o=r.placeholders[0];if(e.current instanceof h){let n=e.current.parentPlaceholder.nodes,l=n.indexOf(e.current);n[l]=r,r.parentPlaceholder=e.current.parentPlaceholder,e.current instanceof A&&t?.deleteOuterRoundBracketsIfAny?(I(e.current.placeholders[0].nodes,o),e.current=K(r.placeholders,o)??r):e.current instanceof P?(o.nodes.push(e.current),e.current.parentPlaceholder=o,z(l,n,o),N(e)):(o.nodes.push(e.current),e.current.parentPlaceholder=o,N(e))}else a(e,r)}function ae(e,r){let t=E(e);if(a(e,r),t.length>0){let o=r.placeholders[0];I(t,o),e.current=x(t),N(e)}}function de(e,r){if(r.placeholders.length<2)throw"Expected 2 placeholders.";let t=E(e),o=r.placeholders[1];I(t,o),j(e,r),e.current=v(t)??o}function pe(e){let r=e.current instanceof c?e.current:e.current.parentPlaceholder,t;for(;;){if(r.parentNode==null)return;t=r.parentNode;let o=t.getMoveDownSuggestion(r);if(o!=null){e.current=v(o.nodes)??o;return}r=t.parentPlaceholder}}function fe(e){if(e.current instanceof c){if(e.current.parentNode==null)return;let r=u(e.current.parentNode.placeholders,e.current);if(r!==null)e.current=v(r.nodes)??r;else{let t=e.current.parentNode.parentPlaceholder,o=u(t.nodes,e.current.parentNode);e.current=o??t}}else if(e.current instanceof m){let r=x(e.current.placeholders);e.current=v(r.nodes)??r}else e.current=u(e.current.parentPlaceholder.nodes,e.current)??e.current.parentPlaceholder}function me(e){let r=e.current instanceof c?e.current:e.current.parentPlaceholder,t;for(;;){if(r.parentNode==null)return;t=r.parentNode;let o=t.getMoveUpSuggestion(r);if(o!=null){e.current=v(o.nodes)??o;return}r=t.parentPlaceholder}}function R(e,r){if(e.selectionDiff=r,r==0)e.inclusiveSelectionLeftBorder=null,e.inclusiveSelectionRightBorder=null;else if(e.current instanceof c)e.inclusiveSelectionLeftBorder=e.current,e.inclusiveSelectionRightBorder=e.current.nodes[r-1];else{let t=e.current.parentPlaceholder.nodes,o=t.indexOf(e.current);if(r>0)e.inclusiveSelectionLeftBorder=t[o+1],e.inclusiveSelectionRightBorder=t[o+r];else{let n=o+r+1;if(n<0)throw"The TreeNode at index 0 of the current Placeholder is as far as you can go left if current is a TreeNode.";e.inclusiveSelectionLeftBorder=t[n],e.inclusiveSelectionRightBorder=e.current}}}function ue(e){R(e,0)}function he(e){return e.selectionDiff!=null}function ge(e){let r=e.selectionDiff??0;e.current instanceof h&&e.current.parentPlaceholder.nodes.indexOf(e.current)+r>=0||e.current instanceof c&&r>0?R(e,r-1):e.inclusiveSelectionLeftBorder instanceof h&&e.inclusiveSelectionLeftBorder.parentPlaceholder.nodes.indexOf(e.inclusiveSelectionLeftBorder)==0&&e.inclusiveSelectionLeftBorder.parentPlaceholder.parentNode!=null&&(e.current=e.inclusiveSelectionLeftBorder.parentPlaceholder.parentNode,R(e,-1))}function xe(e){let r=e.selectionDiff??0;if(e.current instanceof c&&r<e.current.nodes.length||e.current instanceof h&&e.current.parentPlaceholder.nodes.indexOf(e.current)+r<e.current.parentPlaceholder.nodes.length-1)R(e,r+1);else if(e.inclusiveSelectionRightBorder instanceof h&&x(e.inclusiveSelectionRightBorder.parentPlaceholder.nodes)==e.inclusiveSelectionRightBorder&&e.inclusiveSelectionRightBorder.parentPlaceholder.parentNode!=null){let t=e.inclusiveSelectionRightBorder.parentPlaceholder.parentNode;e.current=u(t.parentPlaceholder.nodes,t)??t.parentPlaceholder,R(e,1)}}var _=class extends y{getMoveDownSuggestion(r){let t=this.placeholders.indexOf(r);return t>0?this.placeholders[t-1]:null}getMoveUpSuggestion(r){let t=this.placeholders.indexOf(r);return t<this.placeholders.length-1?this.placeholders[t+1]:null}};var q=class extends P{constructor(t="."){super();this.latex=typeof t=="string"?()=>t:t}getLatexPart(t,o){return this.latex()}};var $=class extends y{getMoveDownSuggestion(r){let t=this.placeholders.indexOf(r);return t<this.placeholders.length-1?this.placeholders[t+1]:null}getMoveUpSuggestion(r){let t=this.placeholders.indexOf(r);return t>0?this.placeholders[t-1]:null}};var F=class extends P{constructor(t){super();this.latex=t}getLatexPart(t,o){return this.latex}};var B=class extends C{constructor(t){super();this.latex=typeof t=="string"?()=>t:t}getLatexPart(t,o){return this.latex()}};function M(e,r,t){let o=e.slice(-1),n=t.slice(e.length),l=0;for(let p=0;p<n.length;p++){if(n.substring(p,p+r.length)==r){if(l==0)return{content:n.slice(0,p),rest:n.slice(p+r.length)};l--;continue}let s=["\\"+o,"\\"+r,String.raw`\left`+o,String.raw`\right`+r],f=n.slice(p);for(let i of s)if(f.length>=i.length&&f.startsWith(i)){p+=i.length;continue}n[p]==o&&l++}throw`A closing ${r} is missing.`}var V=class extends m{constructor(t,o,n){let l=[],p=[];for(let s=0;s<n;s++){let f=[];for(let i=0;i<o;i++){let d=new c;f.push(d),p.push(d)}l.push(f)}super(p);this.grid=l,this.matrixType=t,this.width=o}getLatexPart(t,o){let n=String.raw`\begin{${this.matrixType}}`;return n+=this.grid.map(l=>l.map(p=>p.getLatex(t,o)).join(" & ")).join(String.raw` \\ `),n+=String.raw`\end{${this.matrixType}}`,n}getMoveDownSuggestion(t){let{rowIndex:o,columnIndex:n}=this.getPositionOf(t);return o+1<this.grid.length?this.grid[o+1][n]:null}getMoveUpSuggestion(t){let{rowIndex:o,columnIndex:n}=this.getPositionOf(t);return o-1>=0?this.grid[o-1][n]:null}getPositionOf(t){let o=this.placeholders.indexOf(t);if(o==-1)throw"The provided Placeholder is not part of this MatrixNode.";let n=Math.floor(o/this.width),l=o-n*this.width;return{rowIndex:n,columnIndex:l}}};function D(e,r,t){let o=e?.trim();if(o==null||o=="")return new S;let n=new S;for(;o!="";){if(o[0]==" "){o=o.trimStart();continue}if(o.startsWith(t.decimalSeparator)){a(n,new q(t.decimalSeparator)),o=o.slice(t.decimalSeparator.length);continue}if(["1","2","3","4","5","6","7","8","9","0"].includes(o[0])||t.additionalDigits?.includes(o[0])){a(n,new F(o[0])),o=o.slice(1);continue}let l=!1;if(o.startsWith(String.raw`\begin{`)){let s=M(String.raw`\begin{`,"}",o);if(!s.content.endsWith("matrix")&&!s.content.endsWith("cases"))throw String.raw`Expected a word ending with 'matrix' or 'cases' after '\begin{'.`;let i=s.rest.slice(0,s.rest.indexOf(String.raw`\end{${s.content}}`)).split(String.raw`\\`);a(n,new V(s.content,i[0].split("&").length,i.length));for(let g of i)for(let T of g.split("&")){let O=D(T,r,t).syntaxTreeRoot.nodes;a(n,O),N(n)}let d=String.raw`\end{${s.content}}`;o=o.slice(o.indexOf(d)+d.length);continue}if(t.preferRoundBracketsNode&&(o[0]=="("||o.startsWith(String.raw`\left(`))){let s=o[0]=="("?"(":String.raw`\left(`,f=o[0]=="("?")":String.raw`\right)`,i=new A(s,f);a(n,i);let d=M(s,f,o),g=D(d.content,r,t).syntaxTreeRoot.nodes;a(n,g),n.current=i,o=d.rest;continue}if(o.startsWith("\\")){for(let i of["\\left\\","\\right\\",String.raw`\left`,String.raw`\right`])if(o.startsWith(i)&&!b(o.slice(i.length)[0])){a(n,new B(i+o[i.length])),o=o.slice(i.length+1),l=!0;break}if(l)continue;let s=String.raw`\text{`;if(o.startsWith(s)){let i=M(s,"}",o),d=new y(s,"}");a(n,d);for(let g of i.content)a(n,new B(g));n.current=d,o=i.rest;continue}let f="\\";if(b(o[1])){for(let i=1;i<o.length;i++){let d=o[i];if(b(d))f+=d;else if(d=="{"||d=="["){let g=f+d,T=d=="{"?"}":"]",O=M(g,T,o),X=D(O.content,r,t).syntaxTreeRoot.nodes;if(O.rest[0]=="{"){let U=new $(g,T+"{","}");a(n,U),a(n,X),N(n);let Y=M("{","}",O.rest),te=D(Y.content,r,t).syntaxTreeRoot.nodes;a(n,te),n.current=U,o=Y.rest}else{let U=new y(g,T);a(n,U),a(n,X),n.current=U,o=O.rest}l=!0;break}else break}if(l)continue;a(n,new B(f)),o=o.slice(f.length)}else a(n,new B("\\"+o[1])),o=o.slice(2);continue}if(o.startsWith("_{")){let s="_{",i=M(s,"}",o);if(i.rest.startsWith("^{")){let d=new _(s,"}^{","}");a(n,d);let g=D(i.content,r,t).syntaxTreeRoot.nodes;a(n,g),N(n);let T=M("^{","}",i.rest),O=D(T.content,r,t).syntaxTreeRoot.nodes;a(n,O),n.current=d,o=T.rest;continue}}let p=[["^{",()=>new _("","^{","}")],["_{",()=>new $("","_{","}")]];for(let s of p){let f=s[0];if(o.startsWith(f)){let i=s[1]();j(n,i);let d=M(f,"}",o),g=D(d.content,r,t).syntaxTreeRoot.nodes;a(n,g),n.current=i,o=d.rest,l=!0;break}}l!=!0&&(a(n,new B(o[0])),o=o.slice(1))}return n}var J=class{constructor(){this.additionalDigits=null;this.decimalSeparator=".";this.preferRoundBracketsNode=!0}};var Q=class{constructor(){this.activePlaceholderShape=String.raw`\blacksquare`;this.passivePlaceholderShape=String.raw`\square`;this.selectionHightlightStart=String.raw`\colorbox{#ADD8E6}{\(\displaystyle`;this.selectionHightlightEnd=String.raw`\)}`}get activePlaceholderLatex(){return this.activePlaceholderColor==null?this.activePlaceholderShape:String.raw`{\color{${this.activePlaceholderColor}}${this.activePlaceholderShape}}`}get passivePlaceholderLatex(){return this.passivePlaceholderColor==null?this.passivePlaceholderShape:String.raw`{\color{${this.passivePlaceholderColor}}${this.passivePlaceholderShape}}`}};export{_ as AscendingBranchingNode,m as BranchingNode,q as DecimalSeparatorNode,$ as DescendingBranchingNode,F as DigitNode,S as KeyboardMemory,Q as LatexConfiguration,J as LatexParserConfiguration,C as LeafNode,V as MatrixNode,c as Placeholder,A as RoundBracketsNode,y as StandardBranchingNode,B as StandardLeafNode,h as TreeNode,ee as deleteLeft,G as deleteRight,se as deleteSelection,ue as enterSelectionMode,oe as getEditModeLatex,ie as getViewModeLatex,he as inSelectionMode,a as insert,j as insertWithEncapsulateCurrent,ae as insertWithEncapsulateSelection,de as insertWithEncapsulateSelectionAndPrevious,H as leaveSelectionMode,pe as moveDown,fe as moveLeft,N as moveRight,me as moveUp,D as parseLatex,ge as selectLeft,xe as selectRight};

2

package.json

@@ -21,3 +21,3 @@ {

],
"version": "v1.1.0-alpha.3",
"version": "v1.1.0-alpha.4",
"types": "./dist/MathKeyboardEngine.d.ts",

@@ -24,0 +24,0 @@ "exports": {

dist/MathKeyboardEngine.es2017.cjs

Sorry, the diff of this file is not supported yet

dist/MathKeyboardEngine.es2017.min.mjs

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dist/MathKeyboardEngine.es2017.mjs

Sorry, the diff of this file is not supported yet

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